odd, composite · 265th positive integer
The number 265
265 is an odd composite number. It is the 265th positive integer.
Quick reference
| Prime factorization | 5 × 53 |
| Divisors | 1, 5, 53, 265 |
| Binary | 100001001 |
| Hexadecimal | 0x109 |
| Roman numeral | CCLXV |
| Digit sum | 13 |
| Properties | odd, composite |
Frequently asked
Is 265 a prime number?
No. 265 is composite. Its prime factorization is 5 × 53.
What are the factors of 265?
The factors (divisors) of 265 are 1, 5, 53, 265.
What is 265 in binary?
265 in binary is 100001001. In hexadecimal it's 109.
What is 265 as a Roman numeral?
265 in Roman numerals is CCLXV.
What's the digit sum of 265?
Adding the digits of 265: 2 + 6 + 5 = 13.