odd, prime · 163rd positive integer
The number 163
163 is an odd prime number. It is the 163rd positive integer.
Quick reference
| Prime factorization | 163 (prime) |
| Divisors | 1, 163 |
| Binary | 10100011 |
| Hexadecimal | 0xA3 |
| Roman numeral | CLXIII |
| Digit sum | 10 |
| Properties | odd, prime |
Frequently asked
Is 163 a prime number?
Yes. 163 is prime — its only divisors are 1 and itself.
What are the factors of 163?
The factors (divisors) of 163 are 1, 163.
What is 163 in binary?
163 in binary is 10100011. In hexadecimal it's A3.
What is 163 as a Roman numeral?
163 in Roman numerals is CLXIII.
What's the digit sum of 163?
Adding the digits of 163: 1 + 6 + 3 = 10.