Compare 677 vs 678
| Property | 677 | 678 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6771 | 21 × 31 × 1131 |
| Prime factorization | 677 | 2 × 3 × 113 |
| Divisors count | 2 | 8 |
| Divisors | 1, 677 | 1, 2, 3, 6, 113, 226, 339, 678 |
| Number of properties | 6 | 0 |
| Chen primes | 85th | |
| Cousin primes (2nd member) | 30th | |
| Isolated primes | 64th | |
| Primes | 123rd | |
| Pythagorean primes | 59th | |
| Sexy primes (1st member) | 60th | |
| Roman numberals | DCLXXVII | DCLXXVIII |
| Base 2 | 10101001012 | 10101001102 |
| Base 3 | 2210023 | 2210103 |
| Base 4 | 222114 | 222124 |
| Base 5 | 102025 | 102035 |
| Base 6 | 30456 | 30506 |
| Base 7 | 16557 | 16567 |
| Base 8 | 12458 | 12468 |
| Base 9 | 8329 | 8339 |
| Base 10 | 67710 | 67810 |
| Base 11 | 56611 | 56711 |
| Base 12 | 48512 | 48612 |
| Base 13 | 40113 | 40213 |
| Base 14 | 36514 | 36614 |
| Base 15 | 30215 | 30315 |
| Base 16 | 2a516 | 2a616 |