Compare 18899 vs 20681
| Property | 18899 | 20681 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 188991 | 206811 |
| Prime factorization | 18899 | 20681 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18899 | 1, 20681 |
| Number of properties | 8 | 5 |
| Additive primes | 1082nd | |
| Chen primes | 1065th | |
| Emirps | 589th | |
| Good primes | 246th | 258th |
| Happy primes | 367th | |
| Isolated primes | 1501st | 1628th |
| Long primes | 824th | |
| Primes | 2150th | 2329th |
| Pythagorean primes | 1158th | |
| Sophie germain primes | 311th | |
| Roman numberals | ||
| Base 2 | 1001001110100112 | 1010000110010012 |
| Base 3 | 2212202223 | 10011002223 |
| Base 4 | 102131034 | 110030214 |
| Base 5 | 11010445 | 11302115 |
| Base 6 | 2232556 | 2354256 |
| Base 7 | 1060467 | 1142037 |
| Base 8 | 447238 | 503118 |
| Base 9 | 278289 | 313289 |
| Base 10 | 1889910 | 2068110 |
| Base 11 | 1322111 | 145a111 |
| Base 12 | ab2b12 | bb7512 |
| Base 13 | 87aa13 | 954b13 |
| Base 14 | 6c5d14 | 777314 |
| Base 15 | 58ee15 | 61db15 |
| Base 16 | 49d316 | 50c916 |