[* ACT] 2 in base 2 is 10 3 in base 3 is 10 4 in base 4 is 10 5 in base 5 is 10 6 in base 6 is 10 7 in base 7 is 10 8 in base 8 is 10 9 in base 9 is 10 B in base 11 is 10 (letters are numbers, look it up!) C in base 12 is 10 D in base 13 is 10 E in base 14 is 10 F in base 15 is 10 G in base 16 is 10 We stopped at base 16 cus these are the one people normally use, if we use them at all.