Compare 18839 vs 19979
| Property | 18839 | 19979 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 188391 | 199791 |
| Prime factorization | 18839 | 19979 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18839 | 1, 19979 |
| Number of properties | 7 | 6 |
| Additive primes | 1005th | |
| Chen primes | 1062nd | |
| Happy primes | 366th | 376th |
| Harmonic primes | 772nd | 819th |
| Isolated primes | 1498th | 1578th |
| Long primes | 864th | |
| Primes | 2147th | 2259th |
| Safe primes | 184th | |
| Sexy primes (2nd member) | 692nd | |
| Roman numberals | ||
| Base 2 | 1001001100101112 | 1001110000010112 |
| Base 3 | 2212112023 | 10001012223 |
| Base 4 | 102121134 | 103200234 |
| Base 5 | 11003245 | 11144045 |
| Base 6 | 2231156 | 2322556 |
| Base 7 | 1056327 | 1121517 |
| Base 8 | 446278 | 470138 |
| Base 9 | 277529 | 303589 |
| Base 10 | 1883910 | 1997910 |
| Base 11 | 1317711 | 1401311 |
| Base 12 | aa9b12 | b68b12 |
| Base 13 | 876213 | 912b13 |
| Base 14 | 6c1914 | 73d114 |
| Base 15 | 58ae15 | 5dbe15 |
| Base 16 | 499716 | 4e0b16 |