Search results

Page title matches

• Number
  ...would not in fact be fundamental). Rather, a fundamental concept such as ''number'' can only be explained by demonstration. Such an approach relies for its e There are [[philosophy|philosophical]] problems bound up with the concept of number. First, there is the [[Ontology|ontological]] problem of the various types
  11 KB (1,701 words) - 20:07, 1 July 2021
• Talk:Number
  == Writing a number == "An irrational number can not be written as a fraction, and can indeed not be written out fully a
  503 bytes (76 words) - 06:39, 4 June 2010
• Talk:Rational number
  324 bytes (48 words) - 17:04, 13 November 2007
• Perrin number
  ...f the sequence of Perrin numbers is, that if <math>p\ </math> is a [[prime number]], then <math>p\ </math> divides <math>P_p\ </math>. The converse is false,
  828 bytes (104 words) - 04:32, 19 May 2008
• Number theory
  '''Number theory''' is a branch of [[pure mathematics]] devoted primarily to the stud ([[diophantine geometry]]). Questions in number theory are often best understood through
  27 KB (4,383 words) - 08:05, 11 October 2011
• Bell number
  50 bytes (5 words) - 17:22, 13 December 2008
• Talk:Grammatical number
  110 bytes (20 words) - 15:45, 4 January 2008
• Normal number
  In [[mathematics]], a '''normal number''' is a [[real number]] whose [[decimal expansion]] shows an equal proportion of each of the poss
  210 bytes (29 words) - 17:24, 7 February 2009
• Lucas number
  ...ers''' is strongly related to the sequence of [[Fibonacci number]]s. Lucas number and Fibonacci numbers have the identical formula <math>a_n = a_{n-1} + a_{n *If <math>p\ </math> is a prime number, than <math>p\ </math> divides <math>L_p - 1\ </math>. The converse is fals
  798 bytes (117 words) - 04:00, 4 March 2008
• Triangular number
  A '''triangular number''' represents the number of [[circle|circles]] you can arrange to a [[equilateral triangle]]. The ''triangular number'' is related to many other figurated numbers:
  884 bytes (130 words) - 07:45, 24 January 2009
• Algebraic number
  ...is a [[complex number]] that is a root of a [[polynomial]] with [[rational number|rational]] coefficients. Real or complex numbers that are not algebraic are called [[transcendental number]]s.
  7 KB (1,145 words) - 00:49, 20 October 2013
• Stirling number
  ...bjects into a given number of structures. There are two kinds of Stirling number,depending on the nature of the structure being counted. The Stirling number of the first kind ''S''(''n'',''k'') counts the number of ways ''n'' labelled objects can be arranged into ''k'' cycles: cycles ar
  2 KB (240 words) - 13:34, 7 February 2009
• Atomic number
  ...ventionally denoted by ''Z'' and is by definition a non-negative [[natural number]]. For instance, the element [[carbon]] is characterized by ''Z'' = 6 and t ...e chemical and physical properties of an atom are solely determined by the number of its electrons and hence by its nuclear charge: the nuclear charge is a u
  7 KB (1,066 words) - 05:40, 6 March 2024
• Talk:Fibonacci number
  == Fibonacci number and Primenumber == *If <math>\ F_p\ </math>&nbsp; is a prime number then <math>\ p</math>&nbsp; is prime. (The converse is false.)
  934 bytes (148 words) - 17:23, 30 December 2007
• Atomic Number
  #REDIRECT [[Atomic number]]
  27 bytes (3 words) - 17:22, 2 April 2008
• Perrin Number
  #Redirect [[Perrin number]]
  27 bytes (3 words) - 10:41, 19 May 2008
• Talk:Algebraic number
  * links to "rational number" and "polynomial" .../math>. Fields of positive characteristic are important in applications to number theory. [[User:Greg Woodhouse|Greg Woodhouse]] 22:04, 28 April 2007 (CDT)
  7 KB (1,148 words) - 23:13, 10 December 2008
• Prime Number
  #Redirect [[Prime number]]
  26 bytes (3 words) - 16:11, 14 June 2008
• Template:Number/Metadata
  | pagename = Number | abc = Number
  960 bytes (106 words) - 09:20, 15 March 2024
• Avogadro number
  #REDIRECT [[Avogadro's number]]
  31 bytes (3 words) - 11:18, 24 June 2009
• Talk:Imaginary number
  This article was originally a redirecty to [[complex number]], but has been replaced by a brief explanation of the terminology and a li ...at the antecedent of "such complex numbers" is; I assumed it is "a complex number whose real part is zero" and fixed the sequence accordingly. More important
  3 KB (511 words) - 09:31, 1 January 2010
• Talk:Atomic number
  ..., so FWIW, this doesn't make any sense to me. It seems to me that "atomic number" is a very basic sort of topic, in which phrases like "its nuclear charge ' ...hosphorus]] by ''Z'' = 15. For obvious reasons ''Z'' was called the atomic number.
  4 KB (656 words) - 13:00, 7 July 2008
• Talk:Lucas number
  12 bytes (1 word) - 11:00, 1 January 2008
• Triangular Number
  #Redirect [[Triangular number]]
  31 bytes (3 words) - 10:43, 19 May 2008
• Talk:Number theory
  The introduction is a little too focused on number systems, and then mixes them up with all other things. Perhaps we should st ...ties, such as outlining some of the main areas of number theory: algebraic number fields, zeta-functions and analytic methods, quadratic forms and lattices (
  30 KB (5,120 words) - 18:28, 1 January 2009
• Talk:Perfect number
  12 bytes (1 word) - 20:15, 2 April 2008
• Number/Bibliography
  ...tp://books.google.com/books?id=wqg4AAAAMAAJ&printsec=frontcover&dq=intitle:number+intitle:concept+inauthor:levi&lr=&num=30&as_brr=1 online edition]
  695 bytes (100 words) - 11:35, 19 May 2008
• Transcendental number
  ...ntly, it is not a root of any polynomial whose coefficients are [[rational number|rational]]. Transcendental numbers are necessarily [[irrational number|irrational]], but there are many irrational numbers that are not transcende
  875 bytes (130 words) - 12:27, 8 May 2008
• Talk:Triangular number
  12 bytes (1 word) - 07:46, 24 January 2009
• Number/Approval
  12 bytes (1 word) - 07:59, 20 March 2008
• Erdős number
  ...ed by publication of joint papers &mdash; as a graph. A researcher's Erdős number is the length of the shortest path, via co-author relationships, connecting More explicitly, your Erdős number is the ''first'' number in the following list which applies to you:
  2 KB (370 words) - 12:51, 11 February 2013
• Complex number
  ...ot even clear whether such an object exists and can be reasonably called a number; for example, can we sensibly associate with <math>i</math> natural operati ...mplex numbers when solving [[quadratic equation]]s, which can have complex number solutions. This presentation is historically misleading — the quadratic
  18 KB (3,028 words) - 17:12, 25 August 2013
• Template talk:Articles number
  153 bytes (17 words) - 02:23, 24 February 2009
• Real number
  ...s identified with points on an infinitely long gapless straight line. The number zero is one such point; positive numbers are to its right and negative numb ...ly imaginary number, i.e., the [[product (mathematics)|product]] of a real number and <math>i</math> ).
  19 KB (2,948 words) - 10:07, 28 February 2024
• Irrational number
  ...an '''irrational number''' is any [[real number]] that is not a [[rational number]], i.e. it cannot be expressed as a [[fraction]] ''m''&nbsp;/&nbsp;''n'' in ...ble to demonstrate that <math>\scriptstyle\sqrt{2}</math> is an irrational number.
  4 KB (666 words) - 11:23, 3 October 2009
• Number/Definition
  143 bytes (19 words) - 11:38, 19 May 2008
• Talk:Complex number
  #REDIRECT [[Talk:Complex number/Draft]]
  39 bytes (5 words) - 15:36, 2 October 2013
• Complex Number
  #REDIRECT [[Complex number]]
  28 bytes (3 words) - 15:30, 28 October 2007
• Talk:Transcendental number
  12 bytes (1 word) - 19:59, 19 December 2007
• Talk:Stirling number
  12 bytes (1 word) - 13:33, 7 February 2009
• Erdös number
  #REDIRECT [[Erdős number]]
  27 bytes (4 words) - 01:28, 3 April 2011
• Prime number
  ...full rectangle more than one square wide with 11 squares, so 11 is a prime number.]] A '''prime number''' is a [[integer|whole number]] greater than 1 that can be evenly divided by only two different positive
  18 KB (2,917 words) - 10:27, 30 August 2014
• Perfect number
  ...visors of 6 are 1, 2, and 3, and 1+2+3=6. In contrast, 4 is not a perfect number, as the proper divisors of 4 are 1 and 2, and <math> \scriptstyle 1+2 \neq The origin of the term "perfect number" appears to be unknown. Ancient Greeks probably ascribed mystical properti
  4 KB (677 words) - 19:07, 7 November 2008
• Talk:Irrational number
  ...r infinity than the infinity of the integers, though it's not known if the number of irrationals is properly aleph-1 or not. ...r infinity than the infinity of the integers, though it's not known if the number of irrationals is properly aleph-1 or not.
  4 KB (694 words) - 21:24, 3 November 2007
• Talk:Perrin number
  12 bytes (1 word) - 11:03, 1 January 2008
• Transfinite number
  ...is an infinite [[cardinal number|cardinal]] or [[ordinal number|ordinal]] number. (However, often simply '''infinite''' (cardinal or ordinal) '''number''' is used instead.)
  495 bytes (72 words) - 18:31, 20 June 2009
• Natural number
  The '''natural numbers''' are the [[number]]s (0), 1,2,3,etc. used for counting, They are also used to indicate the number of equal parts
  16 KB (2,562 words) - 00:45, 13 October 2009
• Talk:Cardinal number
  12 bytes (1 word) - 17:50, 26 June 2009
• 0 (number)
  ...[[real number]] and is the [[integer]] between [[1 (number)|1]] and [[-1 (number)|-1]], which signifies a value of nothing. It is also a [[numerical digit]] The number zero was invented twice - once in India and once in Mesoamerica. This inve
  1 KB (232 words) - 03:30, 6 November 2009
• Carmichael number
  ...- a\ </math> for every integer <math>\scriptstyle a\ </math>. A Carmichael number ''c'' also satisfies the [[modular arithmetic|congruence]] <math>\scriptsty *Every Carmichael number is [[square-free integer|square-free]] and has at least three different pri
  4 KB (576 words) - 12:00, 1 January 2013

Page text matches

• Perfect number/Related Articles
  * [[Deficient number]] * [[Abundant number]]
  255 bytes (24 words) - 21:27, 2 April 2008
• Lucas sequence/Related Articles
  *[[Fibonacci number]] *[[Lucas number]]
  136 bytes (13 words) - 17:46, 17 February 2008
• Natural number/Catalogs/Special properties
  {{r|Prime number}} {{r|Carmichael number||***}}
  395 bytes (45 words) - 07:44, 11 November 2009
• Number/Related Articles
  {{r|Prime number}} {{r|Whole number}}
  258 bytes (33 words) - 02:29, 8 February 2009
• Transfinite number/Definition
  An infinite number, either a cardinal number or an ordinal number.
  103 bytes (14 words) - 18:45, 20 June 2009
• Real number/Related Articles
  *[[Hyperreal number]] *[[Complex number]]
  389 bytes (39 words) - 12:37, 4 January 2009
• Template:Articles number/doc
  ...ry:CZ_Live|live articles]] Citizendium has. There's also {{Tl|Contributors number}}.<br /> The current value is {{Articles number}}.
  310 bytes (46 words) - 09:04, 9 May 2009
• Riemann zeta function/Definition
  ...t in [[number theory]] for its connection with the distribution of [[prime number]]s.
  219 bytes (27 words) - 16:59, 13 November 2008
• Genus (topology)/Definition
  ...equal to the number of "[[hole (topology)|holes]]" or "handles"; a [[Betti number]].
  189 bytes (26 words) - 14:02, 8 February 2010
• Imaginary number/Definition
  ...s a negative real number, or (sometimes) more generally a non-real complex number.
  170 bytes (23 words) - 09:38, 1 January 2010
• Euler characteristic/Definition
  ...eometry)|vertices]] minus the number of [[Edge (geometry)|edge]]s plus the number of [[Face (geometry)|faces]]; it is always equal to 2 for [[convex polyhedr
  284 bytes (41 words) - 14:01, 8 February 2010
• Perfect number/Definition
  A positive whole number whose proper divisors sum to the number itself.
  107 bytes (15 words) - 20:58, 28 June 2008
• Vacancy rate/Definition
  ...|vacancies]] expressed as a percentage of the number of vacancies plus the number in [[employment]].
  177 bytes (24 words) - 16:47, 20 August 2010
• Infinite/Definition
  Greater in size (number of elements, length, area, etc.) than any natural number
  117 bytes (16 words) - 00:12, 26 October 2009
• Einsteinium/Definition
  ...ed transuranic elements whose atomic number are higher than 92, the atomic number of uranium.
  211 bytes (30 words) - 12:16, 5 May 2010
• Finite set/Definition
  The number of its elements is a natural number (0,1,2,3,...)
  97 bytes (12 words) - 18:46, 6 July 2009
• Infinite set/Definition
  The number of its elements is larger than any natural number. (See: [[Finite set]].)
  121 bytes (17 words) - 19:09, 6 July 2009
• Fibonacci number/Definition
  ...n which the first number is 0, the second number is 1, and each subsequent number is equal to the sum of the previous two numbers.
  191 bytes (31 words) - 15:05, 3 July 2008
• Complex number/Related Articles
  {{r|Number}} {{r|Real number}}
  276 bytes (34 words) - 10:41, 21 April 2010
• Natural number/Related Articles
  {{r|Number theory}} {{r|Number}}
  291 bytes (36 words) - 08:06, 19 August 2009
• Goldbach's conjecture/Definition
  Unestablished conjecture that every even number except the number 2 is the sum of two primes.
  130 bytes (18 words) - 08:14, 4 September 2009
• Principal quantum number/Definition
  ...tum number labeling atomic shells; usually denoted by the non-zero natural number ''n''.
  136 bytes (17 words) - 08:10, 18 September 2009
• Transfinite number
  ...is an infinite [[cardinal number|cardinal]] or [[ordinal number|ordinal]] number. (However, often simply '''infinite''' (cardinal or ordinal) '''number''' is used instead.)
  495 bytes (72 words) - 18:31, 20 June 2009
• Finite/Definition
  ...limited) in size (length, area, etc., or number of elements) by a natural number
  129 bytes (19 words) - 23:57, 25 October 2009
• Number of divisors function/Definition
  The number of positive integer divisors of a given number.
  94 bytes (13 words) - 16:56, 6 December 2008
• Square root of two/Definition
  The positive real number that, when multiplied by itself, gives the number 2.
  114 bytes (15 words) - 19:41, 4 September 2009
• CZ:CZ/Archives
  *[[CZ:Citizen/V1-N5|CZ:Citizen]] Number Five: ''Coming in May!'' *[[CZ:Citizen/V1-N4|CZ:Citizen]] Number Four: April Fools!
  371 bytes (60 words) - 11:44, 31 March 2008
• Actinide/Definition
  ...dioactive]], and [[Uranium]] (atomic number 92), and [[Plutonium]] (atomic number 94) are significant in the production of [[nuclear energy]] and nuclear wea
  343 bytes (42 words) - 17:02, 22 March 2024
• Talk:Electrocardiogram
  == number of leads ==
  221 bytes (35 words) - 16:56, 21 July 2008
• Osmium/Atomic mass
  ...e>*<br /><br />*The number in parenthesis () is the [[uncertainty]]. This number was taken from the [http://physics.nist.gov/PhysRefData/Compositions/index
  265 bytes (35 words) - 15:52, 17 May 2010
• Iridium/Atomic mass
  ...e>*<br /><br />*The number in parenthesis () is the [[uncertainty]]. This number was taken from the [http://physics.nist.gov/PhysRefData/Compositions/index
  266 bytes (35 words) - 15:59, 17 May 2010
• Boron/Atomic mass
  ...e>*<br /><br />*The number in parenthesis () is the [[uncertainty]]. This number was taken from the [http://physics.nist.gov/PhysRefData/Compositions/index
  265 bytes (35 words) - 16:15, 17 May 2010
• Rhenium/Atomic mass
  ...e>*<br /><br />*The number in parenthesis () is the [[uncertainty]]. This number was taken from the [http://physics.nist.gov/PhysRefData/Compositions/index
  266 bytes (35 words) - 15:47, 17 May 2010
• Triangular number
  A '''triangular number''' represents the number of [[circle|circles]] you can arrange to a [[equilateral triangle]]. The ''triangular number'' is related to many other figurated numbers:
  884 bytes (130 words) - 07:45, 24 January 2009
• Inclusion-exclusion principle/Definition
  ...n A to the number of elements in B, and then subtracting from this sum the number of elements in the intersection of A and B.
  303 bytes (58 words) - 08:52, 4 September 2009
• Praseodymium/Definition
  ...al element]], having the [[chemical symbol]] Ar and [[atomic number]] (the number of [[proton]]s) 18.
  165 bytes (21 words) - 17:51, 27 April 2011
• Mercury (element)/Definition
  ...l element]], having the [[chemical symbol]] Hg, and [[atomic number]] (the number of [[proton]]s) 80.
  167 bytes (21 words) - 17:09, 1 May 2011
• Template:Basic elemental def
  |{{#ifeq: {{#expr:{{:{{{1}}}/Atomic number}}>92}}|1 |This template will not work as no atomic number is defined at [[{{{1}}}/Atomic symbol]]}}{{#ifexist:{{{1}}}/Atomic symbol
  1,007 bytes (94 words) - 17:05, 18 February 2010
• Rational number/Related Articles
  Auto-populated based on [[Special:WhatLinksHere/Rational number]]. Needs checking by a human. {{r|Algebraic number field}}
  1 KB (169 words) - 19:54, 11 January 2010
• Zirconium/Atomic mass
  ...e>*<br /><br />*The number in parenthesis () is the [[uncertainty]]. This number was taken from the [http://physics.nist.gov/PhysRefData/Compositions/index
  265 bytes (35 words) - 15:59, 17 May 2010
• Platinum/Atomic mass
  ...e>*<br /><br />*The number in parenthesis () is the [[uncertainty]]. This number was taken from the [http://physics.nist.gov/PhysRefData/Compositions/index
  266 bytes (35 words) - 16:08, 17 May 2010
• Niobium/Atomic mass
  ...e>*<br /><br />*The number in parenthesis () is the [[uncertainty]]. This number was taken from the [http://physics.nist.gov/PhysRefData/Compositions/index
  267 bytes (35 words) - 16:08, 17 May 2010
• Gold/Atomic mass
  ...e>*<br /><br />*The number in parenthesis () is the [[uncertainty]]. This number was taken from the [http://physics.nist.gov/PhysRefData/Compositions/index
  268 bytes (35 words) - 16:30, 19 January 2011
• Molybdenum/Atomic mass
  ...e>*<br /><br />*The number in parenthesis () is the [[uncertainty]]. This number was taken from the [http://physics.nist.gov/PhysRefData/Compositions/index
  264 bytes (35 words) - 16:18, 17 May 2010
• Yttrium/Atomic mass
  ...e>*<br /><br />*The number in parenthesis () is the [[uncertainty]]. This number was taken from the [http://physics.nist.gov/PhysRefData/Compositions/index
  267 bytes (35 words) - 15:52, 17 May 2010
• User talk:Jason Potkanski/Locke Math
  ...ular results as [[Fermat's last theorem]]. Two famous unsolved problems in number theory are the [[twin prime conjecture]] and [[Goldbach's conjecture]]. ...e numbers]]. In this formalism, infinite [[cardinal number]]s, the [[aleph number]]s, allow meaningful comparison of the size of infinitely large sets.
  1 KB (209 words) - 21:20, 13 April 2007
• Modulus (algebraic number theory)/Definition
  ...number field, used to encode ramification data for abelian extensions of a number field.
  167 bytes (25 words) - 15:54, 5 December 2008
• Astatine/Definition
  ...element]] having the [[chemical symbol]] At and an [[atomic number]] (the number of [[proton]]s) of 85.
  170 bytes (23 words) - 19:03, 2 May 2011
• Fleiss' kappa/Definition
  ...t between a fixed number of raters when assigning categorical ratings to a number of items or classifying items.
  210 bytes (29 words) - 07:50, 4 September 2009
• Algebraic number/Advanced
  ...t. An algebraic number must be a root of a [[polynomial]] with [[rational number|rational]] coefficients. Real or complex numbers that are not algebraic are called [[transcendental number]]s.
  1 KB (179 words) - 14:14, 10 December 2008