Compare 638969 vs 638971
| Property | 638969 | 638971 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 731 × 87531 | 6389711 |
| Prime factorization | 73 × 8753 | 638971 |
| Divisors count | 4 | 2 |
| Divisors | 1, 73, 8753, 638969 | 1, 638971 |
| Number of properties | 1 | 4 |
| Isolated primes | 40752nd | |
| Primes | 51999th | |
| Semiprimes | 136921st | |
| Sexy primes (1st member) | 11267th | |
| Ulam primes | 3811th | |
| Roman numberals | ||
| Base 2 | 100110111111111110012 | 100110111111111110112 |
| Base 3 | 10121101111123 | 10121101111213 |
| Base 4 | 21233333214 | 21233333234 |
| Base 5 | 1304213345 | 1304213415 |
| Base 6 | 214101056 | 214101116 |
| Base 7 | 53006127 | 53006147 |
| Base 8 | 23377718 | 23377738 |
| Base 9 | 11734459 | 11734479 |
| Base 10 | 63896910 | 63897110 |
| Base 11 | 3a708111 | 3a708311 |
| Base 12 | 26993512 | 26993712 |
| Base 13 | 194ab613 | 194ab813 |
| Base 14 | 128c0914 | 128c0b14 |
| Base 15 | c94ce15 | c94d115 |
| Base 16 | 9bff916 | 9bffb16 |