Compare 19381 vs 19385
| Property | 19381 | 19385 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 193811 | 51 × 38771 |
| Prime factorization | 19381 | 5 × 3877 |
| Divisors count | 2 | 4 |
| Divisors | 1, 19381 | 1, 5, 3877, 19385 |
| Number of properties | 4 | 1 |
| Primes | 2194th | |
| Pythagorean primes | 1089th | |
| Semiprimes | 4942nd | |
| Sexy primes (1st member) | 670th | |
| Twin primes (2nd member) | 332nd | |
| Roman numberals | ||
| Base 2 | 1001011101101012 | 1001011101110012 |
| Base 3 | 2221202113 | 2221202223 |
| Base 4 | 102323114 | 102323214 |
| Base 5 | 11100115 | 11100205 |
| Base 6 | 2254216 | 2254256 |
| Base 7 | 1103357 | 1103427 |
| Base 8 | 456658 | 456718 |
| Base 9 | 285249 | 285289 |
| Base 10 | 1938110 | 1938510 |
| Base 11 | 1361a11 | 1362311 |
| Base 12 | b27112 | b27512 |
| Base 13 | 8a8b13 | 8a9213 |
| Base 14 | 70c514 | 70c914 |
| Base 15 | 5b2115 | 5b2515 |
| Base 16 | 4bb516 | 4bb916 |