Arithmetic & Basics
Basic

Even and Odd

A number is even if it divides by 2 with no remainder.

Formula

n mod 2=0⇒evenn \bmod 2 = 0 \Rightarrow \text{even}

Variables

nWhole number

Example

8 is even, 7 is odd

Did You Know?

Whether a number is even or odd is called its "parity" — a concept that powers error-detecting codes in every computer.

evenoddparitybasics