odd, composite · 279th positive integer
The number 279
279 is an odd composite number. It is the 279th positive integer.
Quick reference
| Prime factorization | 3 × 3 × 31 |
| Divisors | 1, 3, 9, 31, 93, 279 |
| Binary | 100010111 |
| Hexadecimal | 0x117 |
| Roman numeral | CCLXXIX |
| Digit sum | 18 |
| Properties | odd, composite |
Frequently asked
Is 279 a prime number?
No. 279 is composite. Its prime factorization is 3 × 3 × 31.
What are the factors of 279?
The factors (divisors) of 279 are 1, 3, 9, 31, 93, 279.
What is 279 in binary?
279 in binary is 100010111. In hexadecimal it's 117.
What is 279 as a Roman numeral?
279 in Roman numerals is CCLXXIX.
What's the digit sum of 279?
Adding the digits of 279: 2 + 7 + 9 = 18.