natural number

noun

1. a positive integer or zero.

natural number

noun

1. any of the numbers 0,1,2,3,4,… that can be used to count the members of a set; the non-negative integers

natural number

1. A positive integer.

Word History and Origins

Origin of natural number¹

First recorded in 1755–65

Example Sentences

In such cases, no limit can be given for the density within the whole natural numbers.

From Scientific American

It deals with two natural numbers, a and b, and their sum, a + b = c.

From Scientific American

Cantor asked himself this same question when he was investigating whether a set of numbers existed that would be larger than the natural numbers but smaller than the real numbers.

From Scientific American

It is the same with the natural numbers and the integers.

From Scientific American

“Fifty-four is the natural number for me,” Wagner said Monday.

From Seattle Times