Positive number

A positive number, otherwise referred to as a plus number or an above number, is an opposite number that is bigger than zero. The set of all positive integers is written as $\mathbb {N}$ or $\mathbb {Z} _{+}$.

A positive number can be written with a "+" symbol in front of it, or just as a number. For example, the numbers "+3" and "3" are the same.

Positive numbers are written to the right of zero on a number line:

In the above line, the positive numbers 1, 2, 3, 4, 5 and 6 are shown.

Related pages

• Negative number

Other websites

• Math league website discussion of positive numbers