Binary (Base 2): 0, 1
Ternary (Base 3): 0-2
Quaternary (Base 4): 0-3
Quinary (Base 5): 0-4
Senary (Base 6): 0-5
Septenary (Base 7): 0-6
Octal (Base 8): 0-7
Nonary (Base 9): 0-8
Decimal (Base 10): 0-9
Undecimal (Base 11): 0-9, A (ten)
Duodecimal (Base 12): 0-9, T (ten), E (eleven)
Tridecimal (Base 13): 0-9, A (ten), B (eleven), C (twelve)
Tetradecimal (Base 14): 0-9, A (ten), B (eleven), C (twelve), D (thirteen)
Pentadecimal (Base 15): 0-9, A (ten), B (eleven), C (twelve), D (thirteen), E (fourteen)
Hexadecimal (Base 16): 0-9, A-F