odd, composite, perfect square · 961st positive integer
The number 961
961 is an odd composite number. It is the 961st positive integer.
Quick reference
| Prime factorization | 31 × 31 |
| Divisors | 1, 31, 961 |
| Binary | 1111000001 |
| Hexadecimal | 0x3C1 |
| Roman numeral | CMLXI |
| Digit sum | 16 |
| Properties | odd, composite, perfect square |
Frequently asked
Is 961 a prime number?
No. 961 is composite. Its prime factorization is 31 × 31.
What are the factors of 961?
The factors (divisors) of 961 are 1, 31, 961.
What is 961 in binary?
961 in binary is 1111000001. In hexadecimal it's 3C1.
What is 961 as a Roman numeral?
961 in Roman numerals is CMLXI.
What's the digit sum of 961?
Adding the digits of 961: 9 + 6 + 1 = 16.