odd, composite · 855th positive integer
The number 855
855 is an odd composite number. It is the 855th positive integer.
Quick reference
| Prime factorization | 3 × 3 × 5 × 19 |
| Divisors | 1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855 |
| Binary | 1101010111 |
| Hexadecimal | 0x357 |
| Roman numeral | DCCCLV |
| Digit sum | 18 |
| Properties | odd, composite |
Frequently asked
Is 855 a prime number?
No. 855 is composite. Its prime factorization is 3 × 3 × 5 × 19.
What are the factors of 855?
The factors (divisors) of 855 are 1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855.
What is 855 in binary?
855 in binary is 1101010111. In hexadecimal it's 357.
What is 855 as a Roman numeral?
855 in Roman numerals is DCCCLV.
What's the digit sum of 855?
Adding the digits of 855: 8 + 5 + 5 = 18.