(Or "whole number") One of the finITe numbers in the infinITe set ..., -3, -2, -1, 0, 1, 2, 3, ... An inductive definITion of an integer is a number that is eITher zero or an integer plus or minus one. An integer is a number wITh no fractional part. If wrITten as a fixed-point number, the part after the decimal (or other base) point will be zero. A natural number is a non-negative integer. (2002-04-07)