Compare 18838 vs 18839
| Property | 18838 | 18839 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 94191 | 188391 |
| Prime factorization | 2 × 9419 | 18839 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 9419, 18838 | 1, 18839 |
| Number of properties | 1 | 7 |
| Additive primes | 1005th | |
| Chen primes | 1062nd | |
| Happy primes | 366th | |
| Harmonic primes | 772nd | |
| Isolated primes | 1498th | |
| Primes | 2147th | |
| Safe primes | 184th | |
| Semiprimes | 4797th | |
| Roman numberals | ||
| Base 2 | 1001001100101102 | 1001001100101112 |
| Base 3 | 2212112013 | 2212112023 |
| Base 4 | 102121124 | 102121134 |
| Base 5 | 11003235 | 11003245 |
| Base 6 | 2231146 | 2231156 |
| Base 7 | 1056317 | 1056327 |
| Base 8 | 446268 | 446278 |
| Base 9 | 277519 | 277529 |
| Base 10 | 1883810 | 1883910 |
| Base 11 | 1317611 | 1317711 |
| Base 12 | aa9a12 | aa9b12 |
| Base 13 | 876113 | 876213 |
| Base 14 | 6c1814 | 6c1914 |
| Base 15 | 58ad15 | 58ae15 |
| Base 16 | 499616 | 499716 |