The Roman numeral for 11 is XI.
XI-I-MMX
10 = x 11 = xi 12 = xii
In today's notation it is written as: XVII-XI-MCMLXXXIX
It is: 11 = XI
Roman numerals are a system for writing numbers, not words. the Roman numeral for 4 is IV.
1008 in Roman numberals is MVIII
XCVIII is 98 in Roman numerals
Roman numerals for 201 = CCI
MCMLXXXVII
XLII
MCMLXXXIX