even, composite · 312th positive integer
The number 312
312 is an even composite number. It is the 312th positive integer.
Quick reference
| Prime factorization | 2 × 2 × 2 × 3 × 13 |
| Divisors | 1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312 |
| Binary | 100111000 |
| Hexadecimal | 0x138 |
| Roman numeral | CCCXII |
| Digit sum | 6 |
| Properties | even, composite |
Frequently asked
Is 312 a prime number?
No. 312 is composite. Its prime factorization is 2 × 2 × 2 × 3 × 13.
What are the factors of 312?
The factors (divisors) of 312 are 1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312.
What is 312 in binary?
312 in binary is 100111000. In hexadecimal it's 138.
What is 312 as a Roman numeral?
312 in Roman numerals is CCCXII.
What's the digit sum of 312?
Adding the digits of 312: 3 + 1 + 2 = 6.