804 in Roman Numerals
804
DCCCI (subtracted)V
eight hundred four
How DCCCIV is formed
| Place | Value | Symbols |
|---|---|---|
| Hundreds | 800 | DCCC |
| Units | 4 | I (subtracted)V |
| Total | 804 | DCCCIV |
DCCCIV is written one place at a time, from the largest to the smallest: DCCC (800) + IV (4) = 804.
IV is the only subtraction: the I before the V takes away 1, so IV = 4.
Common mistakes
Wrong: DCCCIIII
Why isn't 804 written as DCCCIIII?
A symbol can't be repeated four times in a row. 4 is IV (5 − 1), not IIII, so 804 is DCCCIV.
Wrong: CCMIV
Why isn't 804 written as CCMIV?
Only one smaller symbol can stand before a larger one, so CCM doesn't work. 800 is DCCC (500 + 300), so 804 is DCCCIV.
Numbers near 804
Properties of 804
- Prime factors
- 2² × 3 × 67
- Divisors
- 1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804
- Even or odd
- Even
- Prime number
- No
- Letters in DCCCIV
- 6
804,000 in Roman numerals
With a bar over it (vinculum), D̅C̅C̅C̅I̅V̅ means 804 × 1,000 = 804,000. How Roman numerals work