Compare 678 vs 686
| Property | 678 | 686 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 3 | 4 |
| Prime factorization | 21 × 31 × 1131 | 21 × 73 |
| Prime factorization | 2 × 3 × 113 | 2 × 7 × 7 × 7 |
| Divisors count | 8 | 8 |
| Divisors | 1, 2, 3, 6, 113, 226, 339, 678 | 1, 2, 7, 14, 49, 98, 343, 686 |
| Number of properties | 0 | 0 |
| Roman numberals | DCLXXVIII | DCLXXXVI |
| Base 2 | 10101001102 | 10101011102 |
| Base 3 | 2210103 | 2211023 |
| Base 4 | 222124 | 222324 |
| Base 5 | 102035 | 102215 |
| Base 6 | 30506 | 31026 |
| Base 7 | 16567 | 20007 |
| Base 8 | 12468 | 12568 |
| Base 9 | 8339 | 8429 |
| Base 10 | 67810 | 68610 |
| Base 11 | 56711 | 57411 |
| Base 12 | 48612 | 49212 |
| Base 13 | 40213 | 40a13 |
| Base 14 | 36614 | 37014 |
| Base 15 | 30315 | 30b15 |
| Base 16 | 2a616 | 2ae16 |