Compare 128906 vs 128907
| Property | 128906 | 128907 | 
|---|---|---|
| Type | semiprime | composite number | 
| Unique factors | 2 | 2 | 
| Total factors | 2 | 3 | 
| Prime factorization | 21 × 644531 | 32 × 143231 | 
| Prime factorization | 2 × 64453 | 3 × 3 × 14323 | 
| Divisors count | 4 | 6 | 
| Divisors | 1, 2, 64453, 128906 | 1, 3, 9, 14323, 42969, 128907 | 
| Number of properties | 1 | 0 | 
| Semiprimes | 29795th | |
| Roman numberals | ||
| Base 2 | 111110111100010102 | 111110111100010112 | 
| Base 3 | 201122110223 | 201122111003 | 
| Base 4 | 1331320224 | 1331320234 | 
| Base 5 | 131111115 | 131111125 | 
| Base 6 | 24324426 | 24324436 | 
| Base 7 | 10445517 | 10445527 | 
| Base 8 | 3736128 | 3736138 | 
| Base 9 | 2157389 | 2157409 | 
| Base 10 | 12890610 | 12890710 | 
| Base 11 | 8893811 | 8893911 | 
| Base 12 | 6272212 | 6272312 | 
| Base 13 | 4689b13 | 4689c13 | 
| Base 14 | 34d9814 | 34d9914 | 
| Base 15 | 282db15 | 282dc15 | 
| Base 16 | 1f78a16 | 1f78b16 |