# Positive number

real number strictly greater than zero

A positive number is a number that is bigger than zero. The set of all positive integers is written as ${\displaystyle {Z}_{+}}$.[1]

A positive number can be written with a "+" symbol in front of it, or just as a number.[2] For example, the numbers "+3" and "3" stand for the same numbers.

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.

## References

1. "Comprehensive List of Algebra Symbols". Math Vault. 2020-03-25. Retrieved 2020-10-12.
2. "Positive number definition - math word definition - Math Open Reference". www.mathopenref.com. Retrieved 2020-10-12.