998 in Roman Numerals
998
C (subtracted)MX (subtracted)CVIII
nine hundred ninety-eight
How CMXCVIII is formed
| Place | Value | Symbols |
|---|---|---|
| Hundreds | 900 | C (subtracted)M |
| Tens | 90 | X (subtracted)C |
| Units | 8 | VIII |
| Total | 998 | CMXCVIII |
CMXCVIII is written one place at a time, from the largest to the smallest: CM (900) + XC (90) + VIII (8) = 998.
CM and XC are subtractive pairs: in each one the smaller symbol comes first and is taken away.
Common mistakes
Wrong: DCCCCXCVIII
Why isn't 998 written as DCCCCXCVIII?
A symbol can't be repeated four times in a row. 900 is CM (1000 − 100), not DCCCC, so 998 is CMXCVIII.
Wrong: CMLXXXXVIII
Why isn't 998 written as CMLXXXXVIII?
A symbol can't be repeated four times in a row. 90 is XC (100 − 10), not LXXXX, so 998 is CMXCVIII.
Wrong: DCCCCLXXXXVIII
Why isn't 998 written as DCCCCLXXXXVIII?
No symbol can be repeated four times in a row, so DCCCC and LXXXX are not used: 900 = CM, 90 = XC. Together they make CMXCVIII.
Numbers near 998
Properties of 998
- Prime factors
- 2 × 499
- Divisors
- 1, 2, 499, 998
- Even or odd
- Even
- Prime number
- No
- Letters in CMXCVIII
- 8
998,000 in Roman numerals
With a bar over it (vinculum), C̅M̅X̅C̅V̅I̅I̅I̅ means 998 × 1,000 = 998,000. How Roman numerals work