The cardinal number three can be represented as 3 or three.
the number of elements in a mathematical set; denotes a quantity but not the order
A cardinal number is a number such as 1, 3, or 10 that tells you how many things there are in a group but not what order they are in. Compare ordinal number. A number, such as 3 or 11 or 412, used in counting to indicate quantity but not order. a number such as 1, 2, or 3, that shows how many of something there are, but not what order they are in ordinal number
positive whole number, positive number which does not have a decimal or fraction