Compare 18087 vs 18089
| Property | 18087 | 18089 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 60291 | 180891 |
| Prime factorization | 3 × 6029 | 18089 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 6029, 18087 | 1, 18089 |
| Number of properties | 1 | 5 |
| Chen primes | 1029th | |
| Emirps | 559th | |
| Isolated primes | 1438th | |
| Primes | 2073rd | |
| Pythagorean primes | 1023rd | |
| Semiprimes | 4610th | |
| Roman numberals | ||
| Base 2 | 1000110101001112 | 1000110101010012 |
| Base 3 | 2202102203 | 2202102223 |
| Base 4 | 101222134 | 101222214 |
| Base 5 | 10343225 | 10343245 |
| Base 6 | 2154236 | 2154256 |
| Base 7 | 1035067 | 1035117 |
| Base 8 | 432478 | 432518 |
| Base 9 | 267269 | 267289 |
| Base 10 | 1808710 | 1808910 |
| Base 11 | 1265311 | 1265511 |
| Base 12 | a57312 | a57512 |
| Base 13 | 830413 | 830613 |
| Base 14 | 683d14 | 684114 |
| Base 15 | 555c15 | 555e15 |
| Base 16 | 46a716 | 46a916 |