Compare 639631 vs 639634
| Property | 639631 | 639634 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6396311 | 21 × 3198171 |
| Prime factorization | 639631 | 2 × 319817 |
| Divisors count | 2 | 4 |
| Divisors | 1, 639631 | 1, 2, 319817, 639634 |
| Number of properties | 3 | 1 |
| Isolated primes | 40792nd | |
| Primes | 52047th | |
| Semiprimes | 137062nd | |
| Sexy primes (1st member) | 11279th | |
| Roman numberals | ||
| Base 2 | 100111000010100011112 | 100111000010100100102 |
| Base 3 | 10121111020013 | 10121111020113 |
| Base 4 | 21300220334 | 21300221024 |
| Base 5 | 1304320115 | 1304320145 |
| Base 6 | 214131316 | 214131346 |
| Base 7 | 53025467 | 53025527 |
| Base 8 | 23412178 | 23412228 |
| Base 9 | 11743619 | 11743649 |
| Base 10 | 63963110 | 63963410 |
| Base 11 | 3a762311 | 3a762611 |
| Base 12 | 26a1a712 | 26a1aa12 |
| Base 13 | 1951a513 | 1951a813 |
| Base 14 | 12915d14 | 12916214 |
| Base 15 | c97c115 | c97c415 |
| Base 16 | 9c28f16 | 9c29216 |