Compare 684 vs 686
| Property | 684 | 686 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 5 | 4 |
| Prime factorization | 22 × 32 × 191 | 21 × 73 |
| Prime factorization | 2 × 2 × 3 × 3 × 19 | 2 × 7 × 7 × 7 |
| Divisors count | 18 | 8 |
| Divisors | 1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684 | 1, 2, 7, 14, 49, 98, 343, 686 |
| Number of properties | 0 | 0 |
| Roman numberals | DCLXXXIV | DCLXXXVI |
| Base 2 | 10101011002 | 10101011102 |
| Base 3 | 2211003 | 2211023 |
| Base 4 | 222304 | 222324 |
| Base 5 | 102145 | 102215 |
| Base 6 | 31006 | 31026 |
| Base 7 | 16657 | 20007 |
| Base 8 | 12548 | 12568 |
| Base 9 | 8409 | 8429 |
| Base 10 | 68410 | 68610 |
| Base 11 | 57211 | 57411 |
| Base 12 | 49012 | 49212 |
| Base 13 | 40813 | 40a13 |
| Base 14 | 36c14 | 37014 |
| Base 15 | 30915 | 30b15 |
| Base 16 | 2ac16 | 2ae16 |