integer

A member of the set of positive whole numbers {1, 2, 3, … }, negative whole numbers {−1, −2, −3, … }, and zero {0}.

A complete unit or entity.

An entire entity; particularly, in arithmetic, a whole number, in contradistinction to a fraction. Thus, in the number 54.7, 54 is an integer, and .7 a fraction (seven tenths of a unit).

A complete entity; a whole number, in contradistinction to a fraction or a mixed number.

an expression of the form a + b√-1, where a and b are real integers.

any of the natural numbers (positive or negative) or zero