# natural number

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## natural number

any of the numbers 0,1,2,3,4,… that can be used to count the members of a set; the nonnegative integers
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

## natural number

[′nach·rəl ′nəm·bər]
(mathematics)
One of the integers 1, 2, 3, ….
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

## natural number

(mathematics)
An integer greater than or equal to zero. A natural number is an isomorphism class of a finite set.
References in periodicals archive ?
[r/2]} when r is an even natural number. Moreover, let [omega] satisfy for natural r [greater than or equal to] 2, the conditions (6) and (7) with 0<[gamma]<[beta]3 + 1 pwhere m [member of] { 0,...
This lets us write any complex as a k-tuple of natural numbers. In particular, we write the source and target of any reaction [tau] as
We say that a sequence [([x.sub.n]).sub.n[member of]N] in E is a statistically e-uniform Cauchy sequence whenever, for every [epsilon] > 0, there exists a natural number N such that [absolute value of [x.sub.n] - [x.sub.N]] [less than or equal to] [epsilon]e, a.a.n.
Let d [greater than or equal to] 1 a natural number. Consider a natural number r with prime factorization [mathematical expression not reproducible] and set N = (r - 1)(d + 1).
where [l.sub.1] (k) is any natural number satisfying the condition
Malia discovered exactly which natural numbers were amenable to Euclid's proof for irrationality; Carrie proved that Euclid's proof carried through for primes, but then reinterpreted the conjecture as a challenge to find a proof for irrationality that would work for all non-square integers.
For each natural number k [less than or equal to] n, one has
Hence, for any natural number h, we obtain that [(-1).sup.h+1]x(t + (h + 1)[omega]) is a solution of system (4) for all t + (h + 1)[omega] > 0.
A natural number is an element of the set N = {1, 2, 3 ...}.
For each natural number n, the set A\ [F.sub.n] is (2)-porous.
In addition, there is such a conjecture, namely if there is a pair of consecutive odd prime numbers which differ by 2k, then there are surely infinitely many pairs of consecutive odd prime numbers which differ by 2k, where k is a natural number. This conjecture needs still us to prove it.
Pale greys are carried into the fourth bedroom, which has been dressed as a study, with a natural number print Roman blind and a matching armchair from the Salvage range.

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