odd, composite · 365th positive integer
The number 365
365 is an odd composite number. It's known as the number of days in a non-leap year. It is the 365th positive integer.
Quick reference
| Prime factorization | 5 × 73 |
| Divisors | 1, 5, 73, 365 |
| Binary | 101101101 |
| Hexadecimal | 0x16D |
| Roman numeral | CCCLXV |
| Digit sum | 14 |
| Properties | odd, composite |
Why 365 is notable
The number of days in a non-leap year.
Frequently asked
Is 365 a prime number?
No. 365 is composite. Its prime factorization is 5 × 73.
What are the factors of 365?
The factors (divisors) of 365 are 1, 5, 73, 365.
What is 365 in binary?
365 in binary is 101101101. In hexadecimal it's 16D.
What is 365 as a Roman numeral?
365 in Roman numerals is CCCLXV.
What's the digit sum of 365?
Adding the digits of 365: 3 + 6 + 5 = 14.