odd, prime · 47th positive integer
The number 47
47 is an odd prime number. It is the 47th positive integer.
Quick reference
| Prime factorization | 47 (prime) |
| Divisors | 1, 47 |
| Binary | 101111 |
| Hexadecimal | 0x2F |
| Roman numeral | XLVII |
| Digit sum | 11 |
| Properties | odd, prime |
Frequently asked
Is 47 a prime number?
Yes. 47 is prime — its only divisors are 1 and itself.
What are the factors of 47?
The factors (divisors) of 47 are 1, 47.
What is 47 in binary?
47 in binary is 101111. In hexadecimal it's 2F.
What is 47 as a Roman numeral?
47 in Roman numerals is XLVII.
What's the digit sum of 47?
Adding the digits of 47: 4 + 7 = 11.