11
here you go.In roman`s numberals its looks like this X-10 and XI-11
IX = 9. 11 is XI in Roman Numerals.
In todays modern usage of Roman numerals it is: XI-X-MCMXCIII but the ancient Romans probably wrote out the equivalent of 1993 quite differently
40032
1607
1736
CLXXXIX
MCMLXXXXII
2000 = MM
20 = XX
50
2101 = MMCI