odd, prime · 197th positive integer
The number 197
197 is an odd prime number. It is the 197th positive integer.
Quick reference
| Prime factorization | 197 (prime) |
| Divisors | 1, 197 |
| Binary | 11000101 |
| Hexadecimal | 0xC5 |
| Roman numeral | CXCVII |
| Digit sum | 17 |
| Properties | odd, prime |
Frequently asked
Is 197 a prime number?
Yes. 197 is prime — its only divisors are 1 and itself.
What are the factors of 197?
The factors (divisors) of 197 are 1, 197.
What is 197 in binary?
197 in binary is 11000101. In hexadecimal it's C5.
What is 197 as a Roman numeral?
197 in Roman numerals is CXCVII.
What's the digit sum of 197?
Adding the digits of 197: 1 + 9 + 7 = 17.