1.
FF/base 16/hexadecimal
12/base 3/ternary (could really be any base above 2)
1010/base 2/binary
4D/base 16/hexadecimal
47/base 10/decimal
10101111/base 2/binary
2.
17,18,19/base 10/decimal/20,21,22
0,1,10/base 2/binary/11,100,101
16,17,20/base 8/octal/21,22,23
09,0A,0B/base 16/hexadecimal/0C,0D,0E
