Compare 19813 vs 19913
| Property | 19813 | 19913 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 198131 | 199131 |
| Prime factorization | 19813 | 19913 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19813 | 1, 19913 |
| Number of properties | 6 | 10 |
| Additive primes | 1045th | |
| Emirps | 624th | 626th |
| Good primes | 256th | |
| Harmonic primes | 811th | |
| Isolated primes | 1567th | 1572nd |
| Long primes | 861st | |
| Primes | 2242nd | 2251st |
| Pythagorean primes | 1114th | 1119th |
| Sexy primes (1st member) | 689th | 691st |
| Sophie germain primes | 324th | |
| Super primes | 335th | |
| Roman numberals | ||
| Base 2 | 1001101011001012 | 1001101110010012 |
| Base 3 | 10000112113 | 10000221123 |
| Base 4 | 103112114 | 103130214 |
| Base 5 | 11132235 | 11141235 |
| Base 6 | 2314216 | 2321056 |
| Base 7 | 1115237 | 1120257 |
| Base 8 | 465458 | 467118 |
| Base 9 | 301549 | 302759 |
| Base 10 | 1981310 | 1991310 |
| Base 11 | 1398211 | 13a6311 |
| Base 12 | b57112 | b63512 |
| Base 13 | 903113 | 90aa13 |
| Base 14 | 731314 | 738514 |
| Base 15 | 5d0d15 | 5d7815 |
| Base 16 | 4d6516 | 4dc916 |