Compare 128905 vs 128907
| Property | 128905 | 128907 | 
|---|---|---|
| Type | composite number | composite number | 
| Unique factors | 4 | 2 | 
| Total factors | 4 | 3 | 
| Prime factorization | 51 × 71 × 291 × 1271 | 32 × 143231 | 
| Prime factorization | 5 × 7 × 29 × 127 | 3 × 3 × 14323 | 
| Divisors count | 16 | 6 | 
| Divisors | 1, 5, 7, 29, 35, 127, 145, 203, 635, 889, 1015, 3683, 4445, 18415, 25781, 128905 | 1, 3, 9, 14323, 42969, 128907 | 
| Number of properties | 0 | 0 | 
| Roman numberals | ||
| Base 2 | 111110111100010012 | 111110111100010112 | 
| Base 3 | 201122110213 | 201122111003 | 
| Base 4 | 1331320214 | 1331320234 | 
| Base 5 | 131111105 | 131111125 | 
| Base 6 | 24324416 | 24324436 | 
| Base 7 | 10445507 | 10445527 | 
| Base 8 | 3736118 | 3736138 | 
| Base 9 | 2157379 | 2157409 | 
| Base 10 | 12890510 | 12890710 | 
| Base 11 | 8893711 | 8893911 | 
| Base 12 | 6272112 | 6272312 | 
| Base 13 | 4689a13 | 4689c13 | 
| Base 14 | 34d9714 | 34d9914 | 
| Base 15 | 282da15 | 282dc15 | 
| Base 16 | 1f78916 | 1f78b16 |