You need to enable JavaScript to run this app.
Expii
Base 16: Hexadecimal Numbers - Expii
Base 16 uses powers of 16. The possible digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, and F. Some computers use hexadecimal for certain things, like color codes!.