Compare 19889 vs 19961
| Property | 19889 | 19961 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 198891 | 199611 |
| Prime factorization | 19889 | 19961 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19889 | 1, 19961 |
| Number of properties | 8 | 5 |
| Chen primes | 1106th | 1110th |
| Good primes | 255th | 257th |
| Happy primes | 374th | |
| Harmonic primes | 814th | |
| Primes | 2249th | 2256th |
| Pythagorean primes | 1118th | 1122nd |
| Sophie germain primes | 323rd | |
| Twin primes (1st member) | 340th | 341st |
| Roman numberals | ||
| Base 2 | 1001101101100012 | 1001101111110012 |
| Base 3 | 10000211223 | 10001010223 |
| Base 4 | 103123014 | 103133214 |
| Base 5 | 11140245 | 11143215 |
| Base 6 | 2320256 | 2322256 |
| Base 7 | 1116627 | 1121247 |
| Base 8 | 466618 | 467718 |
| Base 9 | 302489 | 303389 |
| Base 10 | 1988910 | 1996110 |
| Base 11 | 13a4111 | 13aa711 |
| Base 12 | b61512 | b67512 |
| Base 13 | 908c13 | 911613 |
| Base 14 | 736914 | 73bb14 |
| Base 15 | 5d5e15 | 5dab15 |
| Base 16 | 4db116 | 4df916 |