Compare 642797 vs 642800
| Property | 642797 | 642800 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 7 |
| Prime factorization | 6427971 | 24 × 52 × 16071 |
| Prime factorization | 642797 | 2 × 2 × 2 × 2 × 5 × 5 × 1607 |
| Divisors count | 2 | 30 |
| Divisors | 1, 642797 | 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1607, 3214, 6428, 8035, 12856, 16070, 25712, 32140, 40175, 64280, 80350, 128560, 160700, 321400, 642800 |
| Number of properties | 5 | 0 |
| Chen primes | 20448th | |
| Left-truncatable primes | 541st | |
| Primes | 52273rd | |
| Sexy primes (2nd member) | 11324th | |
| Twin primes (1st member) | 5654th | |
| Roman numberals | ||
| Base 2 | 100111001110111011012 | 100111001110111100002 |
| Base 3 | 10121222020223 | 10121222021023 |
| Base 4 | 21303232314 | 21303233004 |
| Base 5 | 1310321425 | 1310322005 |
| Base 6 | 214355256 | 214355326 |
| Base 7 | 53150217 | 53150247 |
| Base 8 | 23473558 | 23473608 |
| Base 9 | 11786689 | 11786729 |
| Base 10 | 64279710 | 64280010 |
| Base 11 | 3a9a4111 | 3a9a4411 |
| Base 12 | 26bba512 | 26bba812 |
| Base 13 | 19676c13 | 19677213 |
| Base 14 | 12a38114 | 12a38414 |
| Base 15 | ca6d215 | ca6d515 |
| Base 16 | 9ceed16 | 9cef016 |