Add together the individual numerals (M = 1000, D = 500, C = 100, L = 50, X = 10, V = 5, I = 1) unless a smaller numeral precedes a larger one in which case subtract it from the larger one.
→ MCMLXXVII = 1000 + (-100 + 1000) + 50 + 10 + 10 + 5 + 1 + 1 = 1977
1977 in roman numerals is MCMLXXVII.
1977 = MCMLXXVII 1978 = MCMLXXVIII
MCMLXXVII
It is already in Roman numerals and in today's terms it represents 1977
XII-XXII-MCMLXXVII
1977 in roman numerals is MCMLXXVII.
1977 = MCMLXXVII 1978 = MCMLXXVIII
MCMLXXVII
It is already in Roman numerals and in today's terms it represents 1977
XXVIII-X-MCMLXXVII
MCMLXXVII
XI IX MCMLXXVII
XII-XXII-MCMLXXVII
In today's modern notation of Roman numerals they are the equivalent of 12-11-1977
In today's terms:- IX-XVI-MCMLXXVII
November 11 = XI 1977=MCMLXXVII
That is not a properly formed Roman Numberal. MXM is not proper. If it is supposed to be MCMLXXVII the number would be 1977