# Non-Negative Integer

A Non-Negative Integer is an integer number that is a non-negative number (from the N0 Natural Number Sequence (0,1,2,3,4,..., ∞))

**AKA:**Natural Number**Context:**- It can be a Positive Integer or Zero.

**Example(s):****Counter-Example(s):**- a Negative Integer, such as -1.
- a Positive Integer, which is never Zero.
- a Non-Negative Real Number.

**See:**Counting Function.