Compare 642973 vs 642985
| Property | 642973 | 642985 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6429731 | 51 × 71 × 183711 |
| Prime factorization | 642973 | 5 × 7 × 18371 |
| Divisors count | 2 | 8 |
| Divisors | 1, 642973 | 1, 5, 7, 35, 18371, 91855, 128597, 642985 |
| Number of properties | 4 | 0 |
| Additive primes | 20436th | |
| Cousin primes (1st member) | 5646th | |
| Isolated primes | 40979th | |
| Primes | 52288th | |
| Roman numberals | ||
| Base 2 | 100111001111100111012 | 100111001111101010012 |
| Base 3 | 10121222222113 | 10122000000213 |
| Base 4 | 21303321314 | 21303322214 |
| Base 5 | 1310333435 | 1310334205 |
| Base 6 | 214404216 | 214404416 |
| Base 7 | 53153627 | 53154107 |
| Base 8 | 23476358 | 23476518 |
| Base 9 | 11788849 | 11800079 |
| Base 10 | 64297310 | 64298510 |
| Base 11 | 3aa09111 | 3aa0a211 |
| Base 12 | 27011112 | 27012112 |
| Base 13 | 19687613 | 19688513 |
| Base 14 | 12a46914 | 12a47714 |
| Base 15 | ca79d15 | ca7aa15 |
| Base 16 | 9cf9d16 | 9cfa916 |