Compare 638998 vs 639007
| Property | 638998 | 639007 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 3194991 | 6390071 |
| Prime factorization | 2 × 319499 | 639007 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 319499, 638998 | 1, 639007 |
| Number of properties | 1 | 3 |
| Cousin primes (1st member) | 5622nd | |
| Isolated primes | 40756th | |
| Primes | 52003rd | |
| Semiprimes | 136927th | |
| Roman numberals | ||
| Base 2 | 100111000000000101102 | 100111000000000111112 |
| Base 3 | 10121101121213 | 10121101122213 |
| Base 4 | 21300001124 | 21300001334 |
| Base 5 | 1304214435 | 1304220125 |
| Base 6 | 214101546 | 214102116 |
| Base 7 | 53006537 | 53006657 |
| Base 8 | 23400268 | 23400378 |
| Base 9 | 11734779 | 11734879 |
| Base 10 | 63899810 | 63900710 |
| Base 11 | 3a70a811 | 3a710611 |
| Base 12 | 26995a12 | 26996712 |
| Base 13 | 194b0913 | 194b1513 |
| Base 14 | 128c2a14 | 128c3514 |
| Base 15 | c94ed15 | c950715 |
| Base 16 | 9c01616 | 9c01f16 |