Compare 671 vs 677
| Property | 671 | 677 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 111 × 611 | 6771 |
| Prime factorization | 11 × 61 | 677 |
| Divisors count | 4 | 2 |
| Divisors | 1, 11, 61, 671 | 1, 677 |
| Number of properties | 1 | 6 |
| Chen primes | 85th | |
| Cousin primes (2nd member) | 30th | |
| Isolated primes | 64th | |
| Primes | 123rd | |
| Pythagorean primes | 59th | |
| Semiprimes | 201st | |
| Sexy primes (1st member) | 60th | |
| Roman numberals | DCLXXI | DCLXXVII |
| Base 2 | 10100111112 | 10101001012 |
| Base 3 | 2202123 | 2210023 |
| Base 4 | 221334 | 222114 |
| Base 5 | 101415 | 102025 |
| Base 6 | 30356 | 30456 |
| Base 7 | 16467 | 16557 |
| Base 8 | 12378 | 12458 |
| Base 9 | 8259 | 8329 |
| Base 10 | 67110 | 67710 |
| Base 11 | 56011 | 56611 |
| Base 12 | 47b12 | 48512 |
| Base 13 | 3c813 | 40113 |
| Base 14 | 35d14 | 36514 |
| Base 15 | 2eb15 | 30215 |
| Base 16 | 29f16 | 2a516 |