Compare 19387 vs 19399
| Property | 19387 | 19399 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 193871 | 191 × 10211 |
| Prime factorization | 19387 | 19 × 1021 |
| Divisors count | 2 | 4 |
| Divisors | 1, 19387 | 1, 19, 1021, 19399 |
| Number of properties | 5 | 1 |
| Cousin primes (1st member) | 339th | |
| Harmonic primes | 794th | |
| Isolated primes | 1532nd | |
| Primes | 2195th | |
| Semiprimes | 4944th | |
| Sexy primes (2nd member) | 670th | |
| Roman numberals | ||
| Base 2 | 1001011101110112 | 1001011110001112 |
| Base 3 | 2221210013 | 2221211113 |
| Base 4 | 102323234 | 102330134 |
| Base 5 | 11100225 | 11100445 |
| Base 6 | 2254316 | 2254516 |
| Base 7 | 1103447 | 1103627 |
| Base 8 | 456738 | 457078 |
| Base 9 | 285319 | 285449 |
| Base 10 | 1938710 | 1939910 |
| Base 11 | 1362511 | 1363611 |
| Base 12 | b27712 | b28712 |
| Base 13 | 8a9413 | 8aa313 |
| Base 14 | 70cb14 | 70d914 |
| Base 15 | 5b2715 | 5b3415 |
| Base 16 | 4bbb16 | 4bc716 |