497 in Roman Numerals
497 in Roman numerals is CDXCVII, and is spelled four hundred ninety-seven.
How to write 497 in Roman numerals
To write 497 in Roman numerals, combine CD (400), XC (90) and VII (7) to get CDXCVII.
The numeral CDXCVII is read from left to right, from the largest value to the smallest, adding each symbol as you go. It uses subtractive notation — XC and CD — where a smaller symbol placed before a larger one is subtracted rather than added (for example, XC means 100 − 10 = 90).
| Value | Roman |
|---|---|
| 400 | CD |
| 90 | XC |
| 7 | VII |
| 497 | CDXCVII |
Facts about the number 497
- 497 is an odd number.
- 497 is a composite number. Its prime factorization is 7 × 71.
- The digits of 497 add up to 20.
- 497 has 4 divisors.
497 in other number systems
| Decimal | 497 |
| Roman | CDXCVII |
| Binary | 111110001 |
| Octal | 761 |
| Hexadecimal | 1F1 |
Frequently asked questions
How do you write 497 in Roman numerals?
497 is written as CDXCVII in Roman numerals.
What does the Roman numeral CDXCVII mean?
CDXCVII represents the number 497 (four hundred ninety-seven).
Is 497 a prime number?
No, 497 is a composite number.
What is 497 in binary and hexadecimal?
497 is 111110001 in binary and 1F1 in hexadecimal.
Related numbers
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