Compare 642419 vs 642426
| Property | 642419 | 642426 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6424191 | 21 × 31 × 1070711 |
| Prime factorization | 642419 | 2 × 3 × 107071 |
| Divisors count | 2 | 8 |
| Divisors | 1, 642419 | 1, 2, 3, 6, 107071, 214142, 321213, 642426 |
| Number of properties | 3 | 0 |
| Chen primes | 20438th | |
| Isolated primes | 40950th | |
| Primes | 52251st | |
| Roman numberals | ||
| Base 2 | 100111001101011100112 | 100111001101011110102 |
| Base 3 | 10121220200223 | 10121220201203 |
| Base 4 | 21303113034 | 21303113224 |
| Base 5 | 1310241345 | 1310242015 |
| Base 6 | 214340556 | 214341106 |
| Base 7 | 53136417 | 53136517 |
| Base 8 | 23465638 | 23465728 |
| Base 9 | 11782089 | 11782169 |
| Base 10 | 64241910 | 64242610 |
| Base 11 | 3a972811 | 3a973411 |
| Base 12 | 26b92b12 | 26b93612 |
| Base 13 | 19653b13 | 19654513 |
| Base 14 | 12a19114 | 12a19814 |
| Base 15 | ca52e15 | ca53615 |
| Base 16 | 9cd7316 | 9cd7a16 |