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• 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
• Number (grammar)
  #REDIRECT [[grammatical number]]
  32 bytes (3 words) - 14:49, 4 January 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
• 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
• 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
• Avogadro number
  #REDIRECT [[Avogadro's number]]
  31 bytes (3 words) - 11:18, 24 June 2009
• Perrin Number
  #Redirect [[Perrin number]]
  27 bytes (3 words) - 10:41, 19 May 2008
• Prime Number
  #Redirect [[Prime number]]
  26 bytes (3 words) - 16:11, 14 June 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
• 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
• Complex Number
  #REDIRECT [[Complex number]]
  28 bytes (3 words) - 15:30, 28 October 2007
• Cardinal number
  ...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 i
  11 KB (1,808 words) - 17:50, 26 June 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
• Triangular Number
  #Redirect [[Triangular number]]
  31 bytes (3 words) - 10:43, 19 May 2008
• 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
• 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
• Rational number
  ...itten as the [[vulgar fraction]] <math>a/b</math>, where ''b'' is not [[0 (number)|zero]]. ...[divisor]]s except 1 (i.e., they are [[coprime]]). Every non-zero rational number has exactly one simplest form of this type with a positive denominator. A f
  9 KB (1,446 words) - 08:52, 30 May 2009
• Random number
  #REDIRECT [[Random number generator]]
  37 bytes (4 words) - 23:32, 21 August 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
• 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

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
• 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