Compare 680 vs 688
| Property | 680 | 688 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 5 | 5 |
| Prime factorization | 23 × 51 × 171 | 24 × 431 |
| Prime factorization | 2 × 2 × 2 × 5 × 17 | 2 × 2 × 2 × 2 × 43 |
| Divisors count | 16 | 10 |
| Divisors | 1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680 | 1, 2, 4, 8, 16, 43, 86, 172, 344, 688 |
| Number of properties | 0 | 0 |
| Roman numberals | DCLXXX | DCLXXXVIII |
| Base 2 | 10101010002 | 10101100002 |
| Base 3 | 2210123 | 2211113 |
| Base 4 | 222204 | 223004 |
| Base 5 | 102105 | 102235 |
| Base 6 | 30526 | 31046 |
| Base 7 | 16617 | 20027 |
| Base 8 | 12508 | 12608 |
| Base 9 | 8359 | 8449 |
| Base 10 | 68010 | 68810 |
| Base 11 | 56911 | 57611 |
| Base 12 | 48812 | 49412 |
| Base 13 | 40413 | 40c13 |
| Base 14 | 36814 | 37214 |
| Base 15 | 30515 | 30d15 |
| Base 16 | 2a816 | 2b016 |