Compare 19387 vs 19389
| Property | 19387 | 19389 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 193871 | 31 × 231 × 2811 |
| Prime factorization | 19387 | 3 × 23 × 281 |
| Divisors count | 2 | 8 |
| Divisors | 1, 19387 | 1, 3, 23, 69, 281, 843, 6463, 19389 |
| Number of properties | 5 | 0 |
| Cousin primes (1st member) | 339th | |
| Harmonic primes | 794th | |
| Isolated primes | 1532nd | |
| Primes | 2195th | |
| Sexy primes (2nd member) | 670th | |
| Roman numberals | ||
| Base 2 | 1001011101110112 | 1001011101111012 |
| Base 3 | 2221210013 | 2221210103 |
| Base 4 | 102323234 | 102323314 |
| Base 5 | 11100225 | 11100245 |
| Base 6 | 2254316 | 2254336 |
| Base 7 | 1103447 | 1103467 |
| Base 8 | 456738 | 456758 |
| Base 9 | 285319 | 285339 |
| Base 10 | 1938710 | 1938910 |
| Base 11 | 1362511 | 1362711 |
| Base 12 | b27712 | b27912 |
| Base 13 | 8a9413 | 8a9613 |
| Base 14 | 70cb14 | 70cd14 |
| Base 15 | 5b2715 | 5b2915 |
| Base 16 | 4bbb16 | 4bbd16 |