449 in Roman Numerals
449 in Roman numerals is CDXLIX, and is spelled four hundred forty-nine.
How to write 449 in Roman numerals
To write 449 in Roman numerals, combine CD (400), XL (40) and IX (9) to get CDXLIX.
The numeral CDXLIX is read from left to right, from the largest value to the smallest, adding each symbol as you go. It uses subtractive notation — IX, XL and CD — where a smaller symbol placed before a larger one is subtracted rather than added (for example, IX means 10 − 1 = 9).
| Value | Roman |
|---|---|
| 400 | CD |
| 40 | XL |
| 9 | IX |
| 449 | CDXLIX |
Facts about the number 449
- 449 is an odd number.
- 449 is a prime number: it has no divisors other than 1 and itself.
- The digits of 449 add up to 17.
- 449 has 2 divisors.
449 in other number systems
| Decimal | 449 |
| Roman | CDXLIX |
| Binary | 111000001 |
| Octal | 701 |
| Hexadecimal | 1C1 |
Frequently asked questions
How do you write 449 in Roman numerals?
449 is written as CDXLIX in Roman numerals.
What does the Roman numeral CDXLIX mean?
CDXLIX represents the number 449 (four hundred forty-nine).
Is 449 a prime number?
Yes, 449 is a prime number.
What is 449 in binary and hexadecimal?
449 is 111000001 in binary and 1C1 in hexadecimal.
Related numbers
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