natural number
noun
1
:the number 1 or any number (such as 3, 12, 432) obtained by adding 1 to it one or more times:a positive integer
2
:any of the positive integers together with 0:a nonnegative integer
Examples ofnatural number in a Sentence
Recent Examples on the WebInstead, there will always be statements aboutnatural numbersthat are either true or false but that are unprovable within the system in question.—
Ian Randall,MSNBC Newsweek, 3 Nov. 2025Just like every molecule is a collection of atoms, everynatural number greater than 1 is a multiple of a prime.—Rebecca Coffey,Forbes.com, 8 Sep. 2025At the time that Russell presented his antinomy, a set generally referred to a collection of things: Thenatural numbers, for example, form a set, as does the set of all inhabitants that do not shave themselves.—Manon Bischoff,Scientific American, 15 Aug. 2024Just as molecules are composed of atoms, in math, everynatural numbercan be broken down into its prime factors—those that are divisible only by themselves and 1.—Byzack Savitsky,science.org, 29 July 2024
Examples are automatically compiled from online sources to show current usage.Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.Send us feedback.
Ian Randall,MSNBC Newsweek, 3 Nov. 2025Just like every molecule is a collection of atoms, everynatural number greater than 1 is a multiple of a prime.—Rebecca Coffey,Forbes.com, 8 Sep. 2025At the time that Russell presented his antinomy, a set generally referred to a collection of things: Thenatural numbers, for example, form a set, as does the set of all inhabitants that do not shave themselves.—Manon Bischoff,Scientific American, 15 Aug. 2024Just as molecules are composed of atoms, in math, everynatural numbercan be broken down into its prime factors—those that are divisible only by themselves and 1.—Byzack Savitsky,science.org, 29 July 2024Word History
First Known Use
1763, in the meaning defined atsense 1
Rhymes fornatural number
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Cite this Entry
“Natural number.”Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/natural%20number. Accessed 24 Nov. 2025.
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natural number
noun:the number 1 or any number (as 3, 12, or 432) obtained by adding 1 to it one or more times:a positive whole number
More from Merriam-Webster onnatural number
Britannica.com:Encyclopedia article aboutnatural number
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