Natural Number

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In mathematics, there are two conventions for the set of natural numbers: it is either the set of positive integers {1, 2, 3, ...} according to the traditional definition or the set of non-negative integers {0, 1, 2, ...} according to a definition first appearing in the nineteenth century.

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  • Natural number - Wikipedia, the free encyclopedia

    In mathematics, there are two conventions for the set of natural numbers: it is either the set of positive integers {1, 2, 3, . ... en.wikipedia.org

  • Natural Number -- from Wolfram MathWorld

    The term "natural number" refers either to a member of the set of positive integers 1, 2, 3, ... (Sloane's A000027) or to the set of nonnegative integers 0 , ... mathworld.wolfram.com

  • What is a Natural Number?

    Oct 14, 2009 ... Brief and Straightforward Guide: What is a Natural Number? www.wisegeek.com

  • natural number

    A number used for counting: 1, 2, 3, .... The debate about whether zero should also be included as a natural number has been going on for hundreds of years, ... www.daviddarling.info