Compare 19813 vs 19889
| Property | 19813 | 19889 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 198131 | 198891 |
| Prime factorization | 19813 | 19889 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19813 | 1, 19889 |
| Number of properties | 6 | 8 |
| Chen primes | 1106th | |
| Emirps | 624th | |
| Good primes | 255th | |
| Happy primes | 374th | |
| Harmonic primes | 811th | 814th |
| Isolated primes | 1567th | |
| Primes | 2242nd | 2249th |
| Pythagorean primes | 1114th | 1118th |
| Sexy primes (1st member) | 689th | |
| Sophie germain primes | 323rd | |
| Twin primes (1st member) | 340th | |
| Roman numberals | ||
| Base 2 | 1001101011001012 | 1001101101100012 |
| Base 3 | 10000112113 | 10000211223 |
| Base 4 | 103112114 | 103123014 |
| Base 5 | 11132235 | 11140245 |
| Base 6 | 2314216 | 2320256 |
| Base 7 | 1115237 | 1116627 |
| Base 8 | 465458 | 466618 |
| Base 9 | 301549 | 302489 |
| Base 10 | 1981310 | 1988910 |
| Base 11 | 1398211 | 13a4111 |
| Base 12 | b57112 | b61512 |
| Base 13 | 903113 | 908c13 |
| Base 14 | 731314 | 736914 |
| Base 15 | 5d0d15 | 5d5e15 |
| Base 16 | 4d6516 | 4db116 |