Compare 128905 vs 128917
| Property | 128905 | 128917 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 51 × 71 × 291 × 1271 | 1371 × 9411 |
| Prime factorization | 5 × 7 × 29 × 127 | 137 × 941 |
| Divisors count | 16 | 4 |
| Divisors | 1, 5, 7, 29, 35, 127, 145, 203, 635, 889, 1015, 3683, 4445, 18415, 25781, 128905 | 1, 137, 941, 128917 |
| Number of properties | 0 | 1 |
| Semiprimes | 29798th | |
| Roman numberals | ||
| Base 2 | 111110111100010012 | 111110111100101012 |
| Base 3 | 201122110213 | 201122112013 |
| Base 4 | 1331320214 | 1331321114 |
| Base 5 | 131111105 | 131111325 |
| Base 6 | 24324416 | 24325016 |
| Base 7 | 10445507 | 10445657 |
| Base 8 | 3736118 | 3736258 |
| Base 9 | 2157379 | 2157519 |
| Base 10 | 12890510 | 12891710 |
| Base 11 | 8893711 | 8894811 |
| Base 12 | 6272112 | 6273112 |
| Base 13 | 4689a13 | 468a913 |
| Base 14 | 34d9714 | 34da514 |
| Base 15 | 282da15 | 282e715 |
| Base 16 | 1f78916 | 1f79516 |