Compare 678 vs 689
| Property | 678 | 689 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 31 × 1131 | 131 × 531 |
| Prime factorization | 2 × 3 × 113 | 13 × 53 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 3, 6, 113, 226, 339, 678 | 1, 13, 53, 689 |
| Number of properties | 0 | 1 |
| Semiprimes | 207th | |
| Roman numberals | DCLXXVIII | DCLXXXIX |
| Base 2 | 10101001102 | 10101100012 |
| Base 3 | 2210103 | 2211123 |
| Base 4 | 222124 | 223014 |
| Base 5 | 102035 | 102245 |
| Base 6 | 30506 | 31056 |
| Base 7 | 16567 | 20037 |
| Base 8 | 12468 | 12618 |
| Base 9 | 8339 | 8459 |
| Base 10 | 67810 | 68910 |
| Base 11 | 56711 | 57711 |
| Base 12 | 48612 | 49512 |
| Base 13 | 40213 | 41013 |
| Base 14 | 36614 | 37314 |
| Base 15 | 30315 | 30e15 |
| Base 16 | 2a616 | 2b116 |