odd, composite · 671st positive integer
The number 671
671 is an odd composite number. It is the 671st positive integer.
Quick reference
| Prime factorization | 11 × 61 |
| Divisors | 1, 11, 61, 671 |
| Binary | 1010011111 |
| Hexadecimal | 0x29F |
| Roman numeral | DCLXXI |
| Digit sum | 14 |
| Properties | odd, composite |
Frequently asked
Is 671 a prime number?
No. 671 is composite. Its prime factorization is 11 × 61.
What are the factors of 671?
The factors (divisors) of 671 are 1, 11, 61, 671.
What is 671 in binary?
671 in binary is 1010011111. In hexadecimal it's 29F.
What is 671 as a Roman numeral?
671 in Roman numerals is DCLXXI.
What's the digit sum of 671?
Adding the digits of 671: 6 + 7 + 1 = 14.