# Odd Number

An online odd number definition

Odd numbers are numbers not evenly divisible by two or that leave a remainder of 1 when divided by two.

An odd number multiplied by another odd number, or raised to any power, results in another odd number.

An odd number multiplied by an even number results in an even number.

All prime numbers are odd with the exception of the number two, the only even prime, making it the oddest prime.

Example odd numbers are: 1,3,5,7,9,11,13,15,17,19,21,23,25 etc

**Math Number Symbols**

R – Real Numbers

Z – Integers

N – Natural Numbers

Q – Rational Numbers

P – Irrational Numbers