Compare 678 vs 683
| Property | 678 | 683 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 31 × 1131 | 6831 |
| Prime factorization | 2 × 3 × 113 | 683 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 3, 6, 113, 226, 339, 678 | 1, 683 |
| Number of properties | 0 | 10 |
| Additive primes | 66th | |
| Chen primes | 86th | |
| Happy primes | 28th | |
| Harmonic primes | 49th | |
| Isolated primes | 65th | |
| Left-truncatable primes | 42nd | |
| Primes | 124th | |
| Sexy primes (2nd member) | 60th | |
| Sophie germain primes | 31st | |
| Wagstaff primes | 4th | |
| Roman numberals | DCLXXVIII | DCLXXXIII |
| Base 2 | 10101001102 | 10101010112 |
| Base 3 | 2210103 | 2210223 |
| Base 4 | 222124 | 222234 |
| Base 5 | 102035 | 102135 |
| Base 6 | 30506 | 30556 |
| Base 7 | 16567 | 16647 |
| Base 8 | 12468 | 12538 |
| Base 9 | 8339 | 8389 |
| Base 10 | 67810 | 68310 |
| Base 11 | 56711 | 57111 |
| Base 12 | 48612 | 48b12 |
| Base 13 | 40213 | 40713 |
| Base 14 | 36614 | 36b14 |
| Base 15 | 30315 | 30815 |
| Base 16 | 2a616 | 2ab16 |