odd, composite · 249th positive integer
The number 249
249 is an odd composite number. It is the 249th positive integer.
Quick reference
| Prime factorization | 3 × 83 |
| Divisors | 1, 3, 83, 249 |
| Binary | 11111001 |
| Hexadecimal | 0xF9 |
| Roman numeral | CCXLIX |
| Digit sum | 15 |
| Properties | odd, composite |
Frequently asked
Is 249 a prime number?
No. 249 is composite. Its prime factorization is 3 × 83.
What are the factors of 249?
The factors (divisors) of 249 are 1, 3, 83, 249.
What is 249 in binary?
249 in binary is 11111001. In hexadecimal it's F9.
What is 249 as a Roman numeral?
249 in Roman numerals is CCXLIX.
What's the digit sum of 249?
Adding the digits of 249: 2 + 4 + 9 = 15.