odd, prime, Fibonacci · 89th positive integer
The number 89
89 is an odd prime number. It is the 89th positive integer.
Quick reference
| Prime factorization | 89 (prime) |
| Divisors | 1, 89 |
| Binary | 1011001 |
| Hexadecimal | 0x59 |
| Roman numeral | LXXXIX |
| Digit sum | 17 |
| Properties | odd, prime, Fibonacci |
Frequently asked
Is 89 a prime number?
Yes. 89 is prime — its only divisors are 1 and itself.
What are the factors of 89?
The factors (divisors) of 89 are 1, 89.
What is 89 in binary?
89 in binary is 1011001. In hexadecimal it's 59.
What is 89 as a Roman numeral?
89 in Roman numerals is LXXXIX.
What's the digit sum of 89?
Adding the digits of 89: 8 + 9 = 17.