Compare 638063 vs 638071
| Property | 638063 | 638071 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6380631 | 71 × 911531 |
| Prime factorization | 638063 | 7 × 91153 |
| Divisors count | 2 | 4 |
| Divisors | 1, 638063 | 1, 7, 91153, 638071 |
| Number of properties | 4 | 1 |
| Cousin primes (2nd member) | 5619th | |
| Isolated primes | 40707th | |
| Primes | 51948th | |
| Safe primes | 3010th | |
| Semiprimes | 136711th | |
| Roman numberals | ||
| Base 2 | 100110111100011011112 | 100110111100011101112 |
| Base 3 | 10121020202223 | 10121020210213 |
| Base 4 | 21233012334 | 21233013134 |
| Base 5 | 1304042235 | 1304042415 |
| Base 6 | 214015556 | 214020116 |
| Base 7 | 52651467 | 52651607 |
| Base 8 | 23361578 | 23361678 |
| Base 9 | 11722289 | 11722379 |
| Base 10 | 63806310 | 63807110 |
| Base 11 | 3a642811 | 3a643511 |
| Base 12 | 2692bb12 | 26930712 |
| Base 13 | 19456a13 | 19457513 |
| Base 14 | 12875d14 | 12876714 |
| Base 15 | c90c815 | c90d115 |
| Base 16 | 9bc6f16 | 9bc7716 |