odd, prime · 173rd positive integer
The number 173
173 is an odd prime number. It is the 173rd positive integer.
Quick reference
| Prime factorization | 173 (prime) |
| Divisors | 1, 173 |
| Binary | 10101101 |
| Hexadecimal | 0xAD |
| Roman numeral | CLXXIII |
| Digit sum | 11 |
| Properties | odd, prime |
Frequently asked
Is 173 a prime number?
Yes. 173 is prime — its only divisors are 1 and itself.
What are the factors of 173?
The factors (divisors) of 173 are 1, 173.
What is 173 in binary?
173 in binary is 10101101. In hexadecimal it's AD.
What is 173 as a Roman numeral?
173 in Roman numerals is CLXXIII.
What's the digit sum of 173?
Adding the digits of 173: 1 + 7 + 3 = 11.