odd, prime · 127th positive integer
The number 127
127 is an odd prime number. It is the 127th positive integer.
Quick reference
| Prime factorization | 127 (prime) |
| Divisors | 1, 127 |
| Binary | 1111111 |
| Hexadecimal | 0x7F |
| Roman numeral | CXXVII |
| Digit sum | 10 |
| Properties | odd, prime |
Frequently asked
Is 127 a prime number?
Yes. 127 is prime — its only divisors are 1 and itself.
What are the factors of 127?
The factors (divisors) of 127 are 1, 127.
What is 127 in binary?
127 in binary is 1111111. In hexadecimal it's 7F.
What is 127 as a Roman numeral?
127 in Roman numerals is CXXVII.
What's the digit sum of 127?
Adding the digits of 127: 1 + 2 + 7 = 10.