odd, composite · 845th positive integer
The number 845
845 is an odd composite number. It is the 845th positive integer.
Quick reference
| Prime factorization | 5 × 13 × 13 |
| Divisors | 1, 5, 13, 65, 169, 845 |
| Binary | 1101001101 |
| Hexadecimal | 0x34D |
| Roman numeral | DCCCXLV |
| Digit sum | 17 |
| Properties | odd, composite |
Frequently asked
Is 845 a prime number?
No. 845 is composite. Its prime factorization is 5 × 13 × 13.
What are the factors of 845?
The factors (divisors) of 845 are 1, 5, 13, 65, 169, 845.
What is 845 in binary?
845 in binary is 1101001101. In hexadecimal it's 34D.
What is 845 as a Roman numeral?
845 in Roman numerals is DCCCXLV.
What's the digit sum of 845?
Adding the digits of 845: 8 + 4 + 5 = 17.