Compare 642779 vs 642797
| Property | 642779 | 642797 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6427791 | 6427971 |
| Prime factorization | 642779 | 642797 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642779 | 1, 642797 |
| Number of properties | 3 | 5 |
| Chen primes | 20446th | 20448th |
| Isolated primes | 40966th | |
| Left-truncatable primes | 541st | |
| Primes | 52271st | 52273rd |
| Sexy primes (2nd member) | 11324th | |
| Twin primes (1st member) | 5654th | |
| Roman numberals | ||
| Base 2 | 100111001110110110112 | 100111001110111011012 |
| Base 3 | 10121222011223 | 10121222020223 |
| Base 4 | 21303231234 | 21303232314 |
| Base 5 | 1310321045 | 1310321425 |
| Base 6 | 214354556 | 214355256 |
| Base 7 | 53146647 | 53150217 |
| Base 8 | 23473338 | 23473558 |
| Base 9 | 11786489 | 11786689 |
| Base 10 | 64277910 | 64279710 |
| Base 11 | 3a9a2511 | 3a9a4111 |
| Base 12 | 26bb8b12 | 26bba512 |
| Base 13 | 19675713 | 19676c13 |
| Base 14 | 12a36b14 | 12a38114 |
| Base 15 | ca6be15 | ca6d215 |
| Base 16 | 9cedb16 | 9ceed16 |