Compare 18899 vs 19961
| Property | 18899 | 19961 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 188991 | 199611 |
| Prime factorization | 18899 | 19961 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18899 | 1, 19961 |
| Number of properties | 8 | 5 |
| Chen primes | 1065th | 1110th |
| Emirps | 589th | |
| Good primes | 246th | 257th |
| Happy primes | 367th | |
| Isolated primes | 1501st | |
| Long primes | 824th | |
| Primes | 2150th | 2256th |
| Pythagorean primes | 1122nd | |
| Sophie germain primes | 311th | |
| Twin primes (1st member) | 341st | |
| Roman numberals | ||
| Base 2 | 1001001110100112 | 1001101111110012 |
| Base 3 | 2212202223 | 10001010223 |
| Base 4 | 102131034 | 103133214 |
| Base 5 | 11010445 | 11143215 |
| Base 6 | 2232556 | 2322256 |
| Base 7 | 1060467 | 1121247 |
| Base 8 | 447238 | 467718 |
| Base 9 | 278289 | 303389 |
| Base 10 | 1889910 | 1996110 |
| Base 11 | 1322111 | 13aa711 |
| Base 12 | ab2b12 | b67512 |
| Base 13 | 87aa13 | 911613 |
| Base 14 | 6c5d14 | 73bb14 |
| Base 15 | 58ee15 | 5dab15 |
| Base 16 | 49d316 | 4df916 |