# Number One

## What Makes Integer Number One Unique

The integer number

**One**, sometimes referred to as unity.

- One is the integer before Two and after Zero.
- One is the first non-zero number in Natural Numbers as well as the first odd number in Natural Numbers.
- Any number multiplied by one is that number, as one is the identity property for multiplication - Properties Of Multiplication.
- It is also important to note that one is neither a Prime Number nor a Composite Number.