An integer (from the Latin  meaning "whole") is a number that can be written without a fractional component. For example, 21, 4, 0, and -2048 are integers, while 9.75, , and  are not.

An integer (from the Latin  meaning "whole") is a number that can be written without a fractional component. For example, 21, 4, 0, and -2048 are integers, while 9.75, , and  are not.