21
XXI is the Roman numeral for 21.
The Roman numeral of XXI is equivalent to 21
XXI
The Roman numeral XXI represents the number 21
XXI = 21
If you mean MMXXI then it is the equivalent of 2021
The Roman numeral for 21 is XXI
XXI
X is 10 and I is 1. XXI is 21.
21 = XXI
21
The Roman numeral for 21 is XXI