In today's modern notation it is written as: MCMLXXIX
But in the times of the Romans themselves they would have probably calculated 1979 on a abacus counting device as MDCCCCLXXVIIII and by adding 21 to the right side and subtracting 21 from the left side, simply wrote it out as IXXMM (-21+2000 = 1979).
In the same way that 89.5 and 79.5 can be written out as SXC and SXXC respectively as described in his book "History of Mathematics volume II" by David Eugene Smith first published in 1925.
Roman numerals: M=1000, D=500, C=100, L=50, X=10, V=5, I=1 and S=1/2
IV/XXII/MCMLXXIX
MCDLXXIXImproved Answer:-In today's notation of Roman numerals 1979 = MCMLXXIX
The date 09-28-1979 in Roman numerals would be IX.XXVIII.MCMLXXIX
You write 1533 in roman numerals like this: MDXXXIII
mcmlxxvi Another contributor's answer: mcmlxxvi = 1976 in Roman numerals But the conventional conversion of 1979 into Roman numerals is MCMLXXIX.
In todays modern notation of Roman numerals: I-XIX-MCMLXXIX
IV/XXII/MCMLXXIX
MCDLXXIXImproved Answer:-In today's notation of Roman numerals 1979 = MCMLXXIX
The date 09-28-1979 in Roman numerals would be IX.XXVIII.MCMLXXIX
You write 1533 in roman numerals like this: MDXXXIII
mcmlxxvi Another contributor's answer: mcmlxxvi = 1976 in Roman numerals But the conventional conversion of 1979 into Roman numerals is MCMLXXIX.
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
3456 in Roman numerals is MMMCDLVI