21 4
In todays terms: XXI-IV-MCMLXXXIV
XXI is the Roman numeral for 21.
The Roman numeral of XXI is equivalent to 21
It is 25 - 4 so it equals 21 which is XXI
XXI-IIII-MDCCCCLXXXIIII (1984) or XXI-IV-IVXMM (2000-16). Note that 1984 in Roman numerals is not MCMLXXXIV as you might have been told or read.
It is: 4-21-2010
IV-XXI-MMIX
In todays terms: XXI-IV-MCMLXXXIV
It is: XXI-XII-IV
XXI is the Roman numeral for 21.
The Roman numeral of XXI is equivalent to 21
In today's terms it is: IV-XXI-MCMLII
It is 25 - 4 so it equals 21 which is XXI
XXI-IIII-MDCCCCLXXXIIII (1984) or XXI-IV-IVXMM (2000-16). Note that 1984 in Roman numerals is not MCMLXXXIV as you might have been told or read.
If you mean MMXXI then it is the equivalent of 2021
XXI = 21
if you mean XXI -- that is equal to 21