Compare 642973 vs 642981
| Property | 642973 | 642981 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6429731 | 31 × 791 × 27131 |
| Prime factorization | 642973 | 3 × 79 × 2713 |
| Divisors count | 2 | 8 |
| Divisors | 1, 642973 | 1, 3, 79, 237, 2713, 8139, 214327, 642981 |
| Number of properties | 4 | 0 |
| Additive primes | 20436th | |
| Cousin primes (1st member) | 5646th | |
| Isolated primes | 40979th | |
| Primes | 52288th | |
| Roman numberals | ||
| Base 2 | 100111001111100111012 | 100111001111101001012 |
| Base 3 | 10121222222113 | 10122000000103 |
| Base 4 | 21303321314 | 21303322114 |
| Base 5 | 1310333435 | 1310334115 |
| Base 6 | 214404216 | 214404336 |
| Base 7 | 53153627 | 53154037 |
| Base 8 | 23476358 | 23476458 |
| Base 9 | 11788849 | 11800039 |
| Base 10 | 64297310 | 64298110 |
| Base 11 | 3aa09111 | 3aa09911 |
| Base 12 | 27011112 | 27011912 |
| Base 13 | 19687613 | 19688113 |
| Base 14 | 12a46914 | 12a47314 |
| Base 15 | ca79d15 | ca7a615 |
| Base 16 | 9cf9d16 | 9cfa516 |