odd, prime · 71st positive integer
The number 71
71 is an odd prime number. It is the 71st positive integer.
Quick reference
| Prime factorization | 71 (prime) |
| Divisors | 1, 71 |
| Binary | 1000111 |
| Hexadecimal | 0x47 |
| Roman numeral | LXXI |
| Digit sum | 8 |
| Properties | odd, prime |
Frequently asked
Is 71 a prime number?
Yes. 71 is prime — its only divisors are 1 and itself.
What are the factors of 71?
The factors (divisors) of 71 are 1, 71.
What is 71 in binary?
71 in binary is 1000111. In hexadecimal it's 47.
What is 71 as a Roman numeral?
71 in Roman numerals is LXXI.
What's the digit sum of 71?
Adding the digits of 71: 7 + 1 = 8.