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Integers - Definition and Examples - Class 7 Maths Definition of an integer: The word "integer" signifies "total" or "whole." Integers are comparable to whole numbers, with the exception that they can contain negative values. An integer is a number without a decimal or fractional element that comes from the set of negative and positive numbers that includes zero. Examples of integers -2, 10, 5, 800, and 1470 are examples of integers. Z represents a set of integers, which consists of: There are three types of integers: Zero (0) : There is no positive (or negative) integer for zero. As a result, zero is a neutral number, meaning it has no sign. Natural Numbers (Positive Integers) : Positive integers are natural numbers (also referred to as counting numbers). The denotation for these integers is Z+. The direction on the number line where positive integers lie is on the right side of 0. Negative Integers (Natural Numbers' Additive Inverse) : Negative inte