Compare 391889 vs 391899
| Property | 391889 | 391899 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 3918891 | 31 × 1306331 |
| Prime factorization | 391889 | 3 × 130633 |
| Divisors count | 2 | 4 |
| Divisors | 1, 391889 | 1, 3, 130633, 391899 |
| Number of properties | 4 | 1 |
| Chen primes | 13438th | |
| Primes | 33218th | |
| Semiprimes | 85883rd | |
| Sophie germain primes | 3544th | |
| Twin primes (1st member) | 3739th | |
| Roman numberals | ||
| Base 2 | 10111111010110100012 | 10111111010110110112 |
| Base 3 | 2012201201023 | 2012201202103 |
| Base 4 | 11332231014 | 11332231234 |
| Base 5 | 1000200245 | 1000200445 |
| Base 6 | 122221456 | 122222036 |
| Base 7 | 32213517 | 32213647 |
| Base 8 | 13753218 | 13753338 |
| Base 9 | 6565129 | 6565239 |
| Base 10 | 39188910 | 39189910 |
| Base 11 | 24848311 | 24849211 |
| Base 12 | 16a95512 | 16a96312 |
| Base 13 | 1094b413 | 1094c113 |
| Base 14 | a2b6114 | a2b6b14 |
| Base 15 | 7b1ae15 | 7b1b915 |
| Base 16 | 5fad116 | 5fadb16 |