In today's modern notation of Roman numerals 690 is now considered to be DCXC but the ancient Romans would have worked it out as DCLXXXX which then can be abridged to XDCC.
Expressed in Roman numerals, this is equal to DCXC.
690
You write 1533 in roman numerals like this: MDXXXIII
To write 19000 in Roman numerals, combine the Roman numerals for 1000 (M) and 9000 (IX). Therefore, 19000 in Roman numerals is written as MXCM.
To write twenty in Roman numerals, you simply write the letter X.
CCCLX is the number 280 in roman numerals. This number is used to represent what roman used to write.
MM is 2000 in Roman numerals.
403 is CDIII in Roman Numerals
507 in roman numerals is DVII
3456 in Roman numerals is MMMCDLVI
Zero does not exist in roman numerals
94 in Roman Numerals is XCIV.