odd, composite, perfect square · 361st positive integer
The number 361
361 is an odd composite number. It is the 361st positive integer.
Quick reference
| Prime factorization | 19 × 19 |
| Divisors | 1, 19, 361 |
| Binary | 101101001 |
| Hexadecimal | 0x169 |
| Roman numeral | CCCLXI |
| Digit sum | 10 |
| Properties | odd, composite, perfect square |
Frequently asked
Is 361 a prime number?
No. 361 is composite. Its prime factorization is 19 × 19.
What are the factors of 361?
The factors (divisors) of 361 are 1, 19, 361.
What is 361 in binary?
361 in binary is 101101001. In hexadecimal it's 169.
What is 361 as a Roman numeral?
361 in Roman numerals is CCCLXI.
What's the digit sum of 361?
Adding the digits of 361: 3 + 6 + 1 = 10.