24 in Roman Numerals
24 in Roman numerals is XXIV. It is built from two parts: 20 + 4 = XX + IV. Read it from left to right and add the values to get 24. Copy it below, see why it is written this way, and check the numbers before and after. The converter handles any number from 1 to 3,999.
24 in Roman numerals is XXIV.
24 in Roman numerals: the breakdown
| Place value | Numeral | Value |
|---|---|---|
| 20 | XX | 20 |
| 4 | IV | 4 |
| Total | XXIV | 24 |
20 plus 4 is 24, so XX followed by IV is XXIV.
Why XXIV and not XXIIII?
XXIV uses the subtractive pair IV. Written by adding only, 24 would be XXIIII, but a letter may repeat only three times in a row, and XXIIII repeats I four times.
How to read XXIV
- XX is 10 + 10, which is 20.
- IV is 5 minus 1, which is 4.
- Add 20 + 4 to get 24.
The numbers around 24
Facts about 24
- 24 is an even number.
- 24 is not prime: 24 = 2 x 2 x 2 x 3.
- The digits of 24 add up to 6.
- XXIV is 4 letters long. It uses the symbols X, V and I.
Convert another number
24 = 20 + 4 = XX + IV
What number is XXIV?
XXIV is the number 24. Reading it from left to right, XX is 20 and IV is 4, which adds up to 24.
Questions and answers
What is 24 in Roman numerals?
24 in Roman numerals is XXIV. It is made of two parts: 20 + 4 = XX + IV. Read XXIV from left to right, add the parts, and you get 24. Use the converter on this page to check any other number from 1 to 3,999.
How do you write 24 in Roman numerals?
Split 24 into its place values, write each one in Roman numerals, and join them from largest to smallest. For 24 that is 20 + 4, which is XX + IV, so the answer is XXIV. Check that no letter repeats more than three times in a row.
What number is XXIV?
XXIV is 24. Read it in place-value parts from left to right: XX is 20, IV is 4. Add the parts to get 24. Letters after a larger or equal letter are added, and a smaller letter before a larger one is subtracted. You can also type XXIV into the converter to read the number back.
Why is 24 written XXIV and not XXIIII?
XXIV is the standard form. XXIIII breaks a rule: a letter may repeat only three times in a row, and XXIIII repeats I four times. Writing XXIV keeps every letter within those limits and makes 24 easy to read at a glance.