You can
put this solution on YOUR website!base 10, you have 0 1 2 3 4 5 6 7 8 9
base 11, you have 0 1 2 3 4 5 6 7 8 9 and A denoting the number "10" in decimal.
So largest number in base-11 is AAA
and smallest is, yes, 100
--> difference is 9AA.
Jon.