Flash AS3: Difference between a number and int and uint
Number – holds decimals and numbers larger or smaller than max uint.
Uint – holds numbers randing from 0 to 4,294,967,295. Cannot contain decimals. Optimal for holding hexadecimals (ie colors) and large integers.
Int – holds numbers ranging from -2,147,483,648 to 2,147,483,647. Cannot contain decimals.