odd, prime · 863rd positive integer
The number 863
863 is an odd prime number. It is the 863rd positive integer.
Quick reference
| Prime factorization | 863 (prime) |
| Divisors | 1, 863 |
| Binary | 1101011111 |
| Hexadecimal | 0x35F |
| Roman numeral | DCCCLXIII |
| Digit sum | 17 |
| Properties | odd, prime |
Frequently asked
Is 863 a prime number?
Yes. 863 is prime — its only divisors are 1 and itself.
What are the factors of 863?
The factors (divisors) of 863 are 1, 863.
What is 863 in binary?
863 in binary is 1101011111. In hexadecimal it's 35F.
What is 863 as a Roman numeral?
863 in Roman numerals is DCCCLXIII.
What's the digit sum of 863?
Adding the digits of 863: 8 + 6 + 3 = 17.