Compare 638983 vs 638993
| Property | 638983 | 638993 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 1391 × 45971 | 6389931 |
| Prime factorization | 139 × 4597 | 638993 |
| Divisors count | 4 | 2 |
| Divisors | 1, 139, 4597, 638983 | 1, 638993 |
| Number of properties | 1 | 4 |
| Happy primes | 7402nd | |
| Isolated primes | 40754th | |
| Primes | 52001st | |
| Semiprimes | 136924th | |
| Sexy primes (1st member) | 11268th | |
| Roman numberals | ||
| Base 2 | 100111000000000001112 | 100111000000000100012 |
| Base 3 | 10121101120013 | 10121101121023 |
| Base 4 | 21300000134 | 21300001014 |
| Base 5 | 1304214135 | 1304214335 |
| Base 6 | 214101316 | 214101456 |
| Base 7 | 53006327 | 53006457 |
| Base 8 | 23400078 | 23400218 |
| Base 9 | 11734619 | 11734729 |
| Base 10 | 63898310 | 63899310 |
| Base 11 | 3a709411 | 3a70a311 |
| Base 12 | 26994712 | 26995512 |
| Base 13 | 194ac713 | 194b0413 |
| Base 14 | 128c1914 | 128c2514 |
| Base 15 | c94dd15 | c94e815 |
| Base 16 | 9c00716 | 9c01116 |