Compare 642797 vs 642802
| Property | 642797 | 642802 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6427971 | 21 × 3311 × 9711 |
| Prime factorization | 642797 | 2 × 331 × 971 |
| Divisors count | 2 | 8 |
| Divisors | 1, 642797 | 1, 2, 331, 662, 971, 1942, 321401, 642802 |
| 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 | 100111001110111100102 |
| Base 3 | 10121222020223 | 10121222021113 |
| Base 4 | 21303232314 | 21303233024 |
| Base 5 | 1310321425 | 1310322025 |
| Base 6 | 214355256 | 214355346 |
| Base 7 | 53150217 | 53150267 |
| Base 8 | 23473558 | 23473628 |
| Base 9 | 11786689 | 11786749 |
| Base 10 | 64279710 | 64280210 |
| Base 11 | 3a9a4111 | 3a9a4611 |
| Base 12 | 26bba512 | 26bbaa12 |
| Base 13 | 19676c13 | 19677413 |
| Base 14 | 12a38114 | 12a38614 |
| Base 15 | ca6d215 | ca6d715 |
| Base 16 | 9ceed16 | 9cef216 |