84 in Roman Numerals
84 in Roman numerals is LXXXIV. It is built from two parts: 80 + 4 = LXXX + IV. Read it from left to right and add the values to get 84. 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.
84 in Roman numerals is LXXXIV.
84 in Roman numerals: the breakdown
| Place value | Numeral | Value |
|---|---|---|
| 80 | LXXX | 80 |
| 4 | IV | 4 |
| Total | LXXXIV | 84 |
80 plus 4 is 84, so LXXX followed by IV is LXXXIV.
Why LXXXIV and not LXXXIIII?
LXXXIV uses the subtractive pair IV. Written by adding only, 84 would be LXXXIIII, but a letter may repeat only three times in a row, and LXXXIIII repeats I four times.
How to read LXXXIV
- LXXX is 50 + 10 + 10 + 10, which is 80.
- IV is 5 minus 1, which is 4.
- Add 80 + 4 to get 84.
The numbers around 84
Facts about 84
- 84 is an even number.
- 84 is not prime: 84 = 2 x 2 x 3 x 7.
- The digits of 84 add up to 12.
- LXXXIV is 6 letters long. It uses the symbols L, X, V and I.
Convert another number
84 = 80 + 4 = LXXX + IV
What number is LXXXIV?
LXXXIV is the number 84. Reading it from left to right, LXXX is 80 and IV is 4, which adds up to 84.
Questions and answers
What is 84 in Roman numerals?
84 in Roman numerals is LXXXIV. It is made of two parts: 80 + 4 = LXXX + IV. Read LXXXIV from left to right, add the parts, and you get 84. Use the converter on this page to check any other number from 1 to 3,999.
How do you write 84 in Roman numerals?
Split 84 into its place values, write each one in Roman numerals, and join them from largest to smallest. For 84 that is 80 + 4, which is LXXX + IV, so the answer is LXXXIV. Check that no letter repeats more than three times in a row.
What number is LXXXIV?
LXXXIV is 84. Read it in place-value parts from left to right: LXXX is 80, IV is 4. Add the parts to get 84. Letters after a larger or equal letter are added, and a smaller letter before a larger one is subtracted. You can also type LXXXIV into the converter to read the number back.
Why is 84 written LXXXIV and not LXXXIIII?
LXXXIV is the standard form. LXXXIIII breaks a rule: a letter may repeat only three times in a row, and LXXXIIII repeats I four times. Writing LXXXIV keeps every letter within those limits and makes 84 easy to read at a glance.