Compare 681 vs 693
| Property | 681 | 693 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 31 × 2271 | 32 × 71 × 111 |
| Prime factorization | 3 × 227 | 3 × 3 × 7 × 11 |
| Divisors count | 4 | 12 |
| Divisors | 1, 3, 227, 681 | 1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693 |
| Number of properties | 1 | 0 |
| Semiprimes | 204th | |
| Roman numberals | DCLXXXI | DCXCIII |
| Base 2 | 10101010012 | 10101101012 |
| Base 3 | 2210203 | 2212003 |
| Base 4 | 222214 | 223114 |
| Base 5 | 102115 | 102335 |
| Base 6 | 30536 | 31136 |
| Base 7 | 16627 | 20107 |
| Base 8 | 12518 | 12658 |
| Base 9 | 8369 | 8509 |
| Base 10 | 68110 | 69310 |
| Base 11 | 56a11 | 58011 |
| Base 12 | 48912 | 49912 |
| Base 13 | 40513 | 41413 |
| Base 14 | 36914 | 37714 |
| Base 15 | 30615 | 31315 |
| Base 16 | 2a916 | 2b516 |