odd, prime · 859th positive integer
The number 859
859 is an odd prime number. It is the 859th positive integer.
Quick reference
| Prime factorization | 859 (prime) |
| Divisors | 1, 859 |
| Binary | 1101011011 |
| Hexadecimal | 0x35B |
| Roman numeral | DCCCLIX |
| Digit sum | 22 |
| Properties | odd, prime |
Frequently asked
Is 859 a prime number?
Yes. 859 is prime — its only divisors are 1 and itself.
What are the factors of 859?
The factors (divisors) of 859 are 1, 859.
What is 859 in binary?
859 in binary is 1101011011. In hexadecimal it's 35B.
What is 859 as a Roman numeral?
859 in Roman numerals is DCCCLIX.
What's the digit sum of 859?
Adding the digits of 859: 8 + 5 + 9 = 22.