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- ...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 types11 KB (1,701 words) - 20:07, 1 July 2021
- ...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
- #Redirect [[Number theory]]27 bytes (3 words) - 07:04, 30 May 2008
- 50 bytes (5 words) - 17:22, 13 December 2008
- #Redirect [[Perfect number]]28 bytes (3 words) - 21:44, 2 April 2008
- ...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 ar2 KB (240 words) - 13:34, 7 February 2009
- The '''imaginary numbers''' are a part of the [[complex number]]s. Every complex number can be written as3 KB (468 words) - 17:28, 1 January 2010
- ...only one word. In a verb, the classification of a word form by grammatical number is know as the [[case (grammar)|case]] of the verb. For example, the verb ' ==Subject noun and verb number agreement==2 KB (376 words) - 09:16, 3 October 2010
- 12 bytes (1 word) - 07:59, 20 March 2008
- #REDIRECT [[grammatical number]]32 bytes (3 words) - 14:49, 4 January 2008
- ...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 quadratic18 KB (3,028 words) - 17:12, 25 August 2013
- 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
- ...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 transcende875 bytes (130 words) - 12:27, 8 May 2008
- #REDIRECT [[Avogadro's number]]31 bytes (3 words) - 11:18, 24 June 2009
- In [[mathematics]], a '''normal number''' is a [[real number]] whose [[decimal expansion]] shows an equal proportion of each of the poss210 bytes (29 words) - 17:24, 7 February 2009
- ...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 positive18 KB (2,917 words) - 10:27, 30 August 2014
- #Redirect [[Perrin number]]27 bytes (3 words) - 10:41, 19 May 2008
- #Redirect [[Prime number]]26 bytes (3 words) - 16:11, 14 June 2008
- #REDIRECT [[Complex number]]28 bytes (3 words) - 15:30, 28 October 2007
- ...oving elements from the first, but there is no obvious way of assigning a “number” to each of the sets which would indicate that the second is “smaller� ...always be well ordered, and |''X''| can be defined as the least [[ordinal number|ordinal]] that is the order type of some [[well ordering]] of ''X''; this i11 KB (1,808 words) - 17:50, 26 June 2009
Page text matches
- * [[Deficient number]] * [[Abundant number]]255 bytes (24 words) - 21:27, 2 April 2008
- *[[Fibonacci number]] *[[Lucas number]]136 bytes (13 words) - 17:46, 17 February 2008
- {{r|Prime number}} {{r|Carmichael number||***}}395 bytes (45 words) - 07:44, 11 November 2009
- {{r|Prime number}} {{r|Whole number}}258 bytes (33 words) - 02:29, 8 February 2009
- An infinite number, either a cardinal number or an ordinal number.103 bytes (14 words) - 18:45, 20 June 2009
- *[[Hyperreal number]] *[[Complex number]]389 bytes (39 words) - 12:37, 4 January 2009
- ...t in [[number theory]] for its connection with the distribution of [[prime number]]s.219 bytes (27 words) - 16:59, 13 November 2008
- ...equal to the number of "[[hole (topology)|holes]]" or "handles"; a [[Betti number]].189 bytes (26 words) - 14:02, 8 February 2010
- ...s a negative real number, or (sometimes) more generally a non-real complex number.170 bytes (23 words) - 09:38, 1 January 2010
- ...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 polyhedr284 bytes (41 words) - 14:01, 8 February 2010
- A positive whole number whose proper divisors sum to the number itself.107 bytes (15 words) - 20:58, 28 June 2008
- ...|vacancies]] expressed as a percentage of the number of vacancies plus the number in [[employment]].177 bytes (24 words) - 16:47, 20 August 2010
- Greater in size (number of elements, length, area, etc.) than any natural number117 bytes (16 words) - 00:12, 26 October 2009
- ...ed transuranic elements whose atomic number are higher than 92, the atomic number of uranium.211 bytes (30 words) - 12:16, 5 May 2010
- The number of its elements is a natural number (0,1,2,3,...)97 bytes (12 words) - 18:46, 6 July 2009
- The number of its elements is larger than any natural number. (See: [[Finite set]].)121 bytes (17 words) - 19:09, 6 July 2009
- ...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
- {{r|Number}} {{r|Real number}}276 bytes (34 words) - 10:41, 21 April 2010
- {{r|Number theory}} {{r|Number}}291 bytes (36 words) - 08:06, 19 August 2009
- 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