Compare 17989 vs 18169
| Property | 17989 | 18169 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 179891 | 181691 |
| Prime factorization | 17989 | 18169 |
| Divisors count | 2 | 2 |
| Divisors | 1, 17989 | 1, 18169 |
| Number of properties | 4 | 5 |
| Emirps | 561st | |
| Harmonic primes | 746th | |
| Isolated primes | 1443rd | |
| Lucky primes | 340th | |
| Primes | 2064th | 2082nd |
| Pythagorean primes | 1017th | 1028th |
| Twin primes (2nd member) | 315th | |
| Roman numberals | ||
| Base 2 | 1000110010001012 | 1000110111110012 |
| Base 3 | 2202000213 | 2202202213 |
| Base 4 | 101210114 | 101233214 |
| Base 5 | 10334245 | 10401345 |
| Base 6 | 2151416 | 2200416 |
| Base 7 | 1033067 | 1036547 |
| Base 8 | 431058 | 433718 |
| Base 9 | 266079 | 268279 |
| Base 10 | 1798910 | 1816910 |
| Base 11 | 1257411 | 1271811 |
| Base 12 | a4b112 | a62112 |
| Base 13 | 825a13 | 836813 |
| Base 14 | 67ad14 | 689b14 |
| Base 15 | 54e415 | 55b415 |
| Base 16 | 464516 | 46f916 |