# Difference between revisions of "Odd number"

An integer that is not divisible by $2$ (without remainder). Odd numbers are: $\pm1, \pm3, \pm5, \pm7, \pm9, \pm11,\dots$

An integer that is not odd is called even (cf. Even number).

How to Cite This Entry:
Odd number. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Odd_number&oldid=17135