odd, prime · 449th positive integer
The number 449
449 is an odd prime number. It is the 449th positive integer.
Quick reference
| Prime factorization | 449 (prime) |
| Divisors | 1, 449 |
| Binary | 111000001 |
| Hexadecimal | 0x1C1 |
| Roman numeral | CDXLIX |
| Digit sum | 17 |
| Properties | odd, prime |
Frequently asked
Is 449 a prime number?
Yes. 449 is prime — its only divisors are 1 and itself.
What are the factors of 449?
The factors (divisors) of 449 are 1, 449.
What is 449 in binary?
449 in binary is 111000001. In hexadecimal it's 1C1.
What is 449 as a Roman numeral?
449 in Roman numerals is CDXLIX.
What's the digit sum of 449?
Adding the digits of 449: 4 + 4 + 9 = 17.