Compare 42857 vs 42905
| Property | 42857 | 42905 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 171 × 25211 | 51 × 85811 |
| Prime factorization | 17 × 2521 | 5 × 8581 |
| Divisors count | 4 | 4 |
| Divisors | 1, 17, 2521, 42857 | 1, 5, 8581, 42905 |
| Number of properties | 1 | 1 |
| Semiprimes | 10429th | 10439th |
| Roman numberals | ||
| Base 2 | 10100111011010012 | 10100111100110012 |
| Base 3 | 20112100223 | 20112120023 |
| Base 4 | 221312214 | 221321214 |
| Base 5 | 23324125 | 23331105 |
| Base 6 | 5302256 | 5303456 |
| Base 7 | 2356437 | 2360427 |
| Base 8 | 1235518 | 1236318 |
| Base 9 | 647089 | 647629 |
| Base 10 | 4285710 | 4290510 |
| Base 11 | 2a22111 | 2a26511 |
| Base 12 | 2097512 | 209b512 |
| Base 13 | 1667913 | 166b513 |
| Base 14 | 1189314 | 118c914 |
| Base 15 | ca7215 | caa515 |
| Base 16 | a76916 | a79916 |