Compare 639439 vs 639447
| Property | 639439 | 639447 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6394391 | 31 × 2131491 |
| Prime factorization | 639439 | 3 × 213149 |
| Divisors count | 2 | 4 |
| Divisors | 1, 639439 | 1, 3, 213149, 639447 |
| Number of properties | 3 | 1 |
| Isolated primes | 40781st | |
| Primes | 52032nd | |
| Semiprimes | 137025th | |
| Sexy primes (2nd member) | 11275th | |
| Roman numberals | ||
| Base 2 | 100111000001110011112 | 100111000001110101112 |
| Base 3 | 10121110102213 | 10121110110203 |
| Base 4 | 21300130334 | 21300131134 |
| Base 5 | 1304302245 | 1304302425 |
| Base 6 | 214122116 | 214122236 |
| Base 7 | 53021537 | 53021647 |
| Base 8 | 23407178 | 23407278 |
| Base 9 | 11741279 | 11741369 |
| Base 10 | 63943910 | 63944710 |
| Base 11 | 3a746911 | 3a747611 |
| Base 12 | 26a06712 | 26a07312 |
| Base 13 | 19508813 | 19509313 |
| Base 14 | 12906314 | 12906b14 |
| Base 15 | c96e415 | c96ec15 |
| Base 16 | 9c1cf16 | 9c1d716 |