21
The Roman numeral of XXI is equivalent to 21
If you mean MMXXI then it is the equivalent of 2021
XXI = 21
21 in Roman numerals is XXI (10 + 10 + 1)
The Roman numeral for 21 is XXI
XXI is the Roman numeral for 21.
XXI
Since X is 10, and I is 1, I would think the answer is 21.
X is 10 and I is 1. XXI is 21.
XXI
21 = XXI
The Roman numeral for 21 is XXI