18 In Words


This page can be used as a quick number reference and to learn how to spell and say 18 in its cardinal form and also 18th (ordinal number).

18 in words as a cardinal number is:


18 in words as an ordinal number (18th) is:


Number Facts

Odd or Even?
18 is an even number.
Prime Number?
18 is not a prime number.
Natural Number?
18 is a natural number following 17 and preceding 19.