21 in Roman Numerals
The number 21 in Roman numerals is written as XXI.
21 = XXI
What is 21 in roman numerals?
To convert the number 21 into Roman numerals, we first need to write it in its expanded form. This can be done by breaking down 21 into its constituent parts, which in this case would be 10 + 10 + 1.
Next, we replace each number with its corresponding Roman numeral symbol. So we get X + X + I.
Finally, we combine all the symbols together to get the final answer: XXI.
| Number | Break | Roman Numeral |
|---|---|---|
| 20 | 10+10 | XX |
| 1 | 1 | I |
| 10+10+1 | XXI | |
Therefore, 21 in Roman numerals is XXI.