Compare 642395 vs 642407
| Property | 642395 | 642407 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 131 × 98831 | 6424071 |
| Prime factorization | 5 × 13 × 9883 | 642407 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 13, 65, 9883, 49415, 128479, 642395 | 1, 642407 |
| Number of properties | 0 | 6 |
| Additive primes | 20422nd | |
| Chen primes | 20437th | |
| Cousin primes (2nd member) | 5643rd | |
| Isolated primes | 40949th | |
| Primes | 52250th | |
| Safe primes | 3025th | |
| Roman numberals | ||
| Base 2 | 100111001101010110112 | 100111001101011001112 |
| Base 3 | 10121220121023 | 10121220122123 |
| Base 4 | 21303111234 | 21303112134 |
| Base 5 | 1310240405 | 1310241125 |
| Base 6 | 214340156 | 214340356 |
| Base 7 | 53136057 | 53136237 |
| Base 8 | 23465338 | 23465478 |
| Base 9 | 11781729 | 11781859 |
| Base 10 | 64239510 | 64240710 |
| Base 11 | 3a970611 | 3a971711 |
| Base 12 | 26b90b12 | 26b91b12 |
| Base 13 | 19652013 | 19652c13 |
| Base 14 | 12a17514 | 12a18314 |
| Base 15 | ca51515 | ca52215 |
| Base 16 | 9cd5b16 | 9cd6716 |