natural number

natural number

noun
a positive integer or zero.

Origin:
1755–65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Natural number is always a great word to know.
So is odd number. Does it mean:
integer that is not a multiple of 2
positive integer which has only 1 and the number itself as factors
Collins
World English Dictionary
natural number
 
n
any of the numbers 0,1,2,3,4,… that can be used to count the members of a set; the non-negative integers

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
natural number  
A positive integer.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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FOLDOC
Computing Dictionary

natural number definition

mathematics
An integer greater than or equal to zero. A natural number is an isomorphism class of a finite set.
(1995-03-25)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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