Definitions for

**"Odd number"**(2) A whole number that is not evenly divided by 2, such as 1, 3, 5, and so on. When an odd number is divided by 2, the remainder is 1.

A whole number that cannot be evenly divided by two. It has 1, 3, 5, 7, or 9 in the ones place.

an integer of the form , where is an integer