87 in Roman Numerals
87
LXXXVII
eighty-seven
How LXXXVII is formed
| Place | Value | Symbols |
|---|---|---|
| Tens | 80 | LXXX |
| Units | 7 | VII |
| Total | 87 | LXXXVII |
LXXXVII is written one place at a time, from the largest to the smallest: LXXX (80) + VII (7) = 87.
Common mistakes
Wrong: XXCVII
Why isn't 87 written as XXCVII?
Only one smaller symbol can stand before a larger one, so XXC doesn't work. 80 is LXXX (50 + 30), so 87 is LXXXVII.
Numbers near 87
Properties of 87
- Prime factors
- 3 × 29
- Divisors
- 1, 3, 29, 87
- Even or odd
- Odd
- Prime number
- No
- Letters in LXXXVII
- 7
87,000 in Roman numerals
With a bar over it (vinculum), L̅X̅X̅X̅V̅I̅I̅ means 87 × 1,000 = 87,000. How Roman numerals work