Compare 18899 vs 19889
| Property | 18899 | 19889 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 188991 | 198891 |
| Prime factorization | 18899 | 19889 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18899 | 1, 19889 |
| Number of properties | 8 | 8 |
| Chen primes | 1065th | 1106th |
| Emirps | 589th | |
| Good primes | 246th | 255th |
| Happy primes | 367th | 374th |
| Harmonic primes | 814th | |
| Isolated primes | 1501st | |
| Long primes | 824th | |
| Primes | 2150th | 2249th |
| Pythagorean primes | 1118th | |
| Sophie germain primes | 311th | 323rd |
| Twin primes (1st member) | 340th | |
| Roman numberals | ||
| Base 2 | 1001001110100112 | 1001101101100012 |
| Base 3 | 2212202223 | 10000211223 |
| Base 4 | 102131034 | 103123014 |
| Base 5 | 11010445 | 11140245 |
| Base 6 | 2232556 | 2320256 |
| Base 7 | 1060467 | 1116627 |
| Base 8 | 447238 | 466618 |
| Base 9 | 278289 | 302489 |
| Base 10 | 1889910 | 1988910 |
| Base 11 | 1322111 | 13a4111 |
| Base 12 | ab2b12 | b61512 |
| Base 13 | 87aa13 | 908c13 |
| Base 14 | 6c5d14 | 736914 |
| Base 15 | 58ee15 | 5d5e15 |
| Base 16 | 49d316 | 4db116 |