Compare 18839 vs 19889
| Property | 18839 | 19889 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 188391 | 198891 |
| Prime factorization | 18839 | 19889 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18839 | 1, 19889 |
| Number of properties | 7 | 8 |
| Additive primes | 1005th | |
| Chen primes | 1062nd | 1106th |
| Good primes | 255th | |
| Happy primes | 366th | 374th |
| Harmonic primes | 772nd | 814th |
| Isolated primes | 1498th | |
| Primes | 2147th | 2249th |
| Pythagorean primes | 1118th | |
| Safe primes | 184th | |
| Sophie germain primes | 323rd | |
| Twin primes (1st member) | 340th | |
| Roman numberals | ||
| Base 2 | 1001001100101112 | 1001101101100012 |
| Base 3 | 2212112023 | 10000211223 |
| Base 4 | 102121134 | 103123014 |
| Base 5 | 11003245 | 11140245 |
| Base 6 | 2231156 | 2320256 |
| Base 7 | 1056327 | 1116627 |
| Base 8 | 446278 | 466618 |
| Base 9 | 277529 | 302489 |
| Base 10 | 1883910 | 1988910 |
| Base 11 | 1317711 | 13a4111 |
| Base 12 | aa9b12 | b61512 |
| Base 13 | 876213 | 908c13 |
| Base 14 | 6c1914 | 736914 |
| Base 15 | 58ae15 | 5d5e15 |
| Base 16 | 499716 | 4db116 |