Number/Related Articles

See also changes related to Number, or pages that link to Number or to this page or whose text contains "Number".

---

Parent topics

• Mathematics [r]: The study of quantities, structures, their relations, and changes thereof. ^[e]

Subtopics

• Prime number [r]: A number that can be evenly divided by exactly two positive whole numbers, namely one and itself. ^[e]
• Whole number [r]: Add brief definition or description
• Rational number [r]: A number that can be expressed as a ratio of two integers. ^[e]
• Irrational number [r]: A real number that cannot be expressed as a fraction, m / n, in which m and n are integers. ^[e]
• Real number [r]: A limit of the Cauchy sequence of rational numbers. ^[e]
• Complex number [r]: Numbers of the form a+bi, where a and b are real numbers and i denotes a number satisfying $i^{2}=-1$. ^[e]
• P-adic number [r]: Add brief definition or description

Other related topics

• Parts-per notation [r]: Notation used in science and engineering, to denote dimensionless proportionalities in measured quantities such as proportions at the parts-per-million (ppm), parts-per-billion (ppb), and parts-per-trillion (ppt) level. ^[e]