1981 = MCMLXXXI
1981 in Roman numerals is written as MCMLXXXI.
8 8 1981 in Roman numerals is VIII VIII MDCCCCLXXXI or IIX IIX XXMMI. Note that 1981 is not MCMLXXXI in Roman numerals.
The date 10-02-1981 in Roman numerals would be X.II.MCMLXXXI
The date 01-06-1981 in Roman numerals is I.VI.MCMLXXXI
21061981 is 21-06-1981 which can be written as XXI.VI.MCMLXXXI
In todays notation of Roman numerals: I-XII-MCMLXXXI
In Roman numerals the number 77 is written as LXXVII.
X-XII-MCMDXXXI
1900 is written in Roman numerals as MCM.
The number 2100 written in Roman numerals is MMC
887 in Roman numerals is DCCCLXXXVII
MCMLXXXI is already a Roman numeral. In Hindu-Arabic numerals it equates to 1981.