Compare 12289 vs 17921
| Property | 12289 | 17921 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 122891 | 179211 |
| Prime factorization | 12289 | 17921 |
| Divisors count | 2 | 2 |
| Divisors | 1, 12289 | 1, 17921 |
| Number of properties | 9 | 5 |
| Chen primes | 1021st | |
| Cuban primes 2 | 13th | |
| Emirps | 337th | |
| Isolated primes | 989th | |
| Pierpont primes | 27th | |
| Primes | 1470th | 2054th |
| Proth primes | 42nd | 51st |
| Pythagorean primes | 725th | 1012th |
| Solinas primes | 79th | |
| Thabit primes of the 2nd kind | 6th | |
| Twin primes (1st member) | 313th | |
| Roman numberals | ||
| Base 2 | 110000000000012 | 1000110000000012 |
| Base 3 | 1212120113 | 2201202023 |
| Base 4 | 30000014 | 101200014 |
| Base 5 | 3431245 | 10331415 |
| Base 6 | 1325216 | 2145456 |
| Base 7 | 505547 | 1031517 |
| Base 8 | 300018 | 430018 |
| Base 9 | 177649 | 265229 |
| Base 10 | 1228910 | 1792110 |
| Base 11 | 926211 | 1251211 |
| Base 12 | 714112 | a45512 |
| Base 13 | 579413 | 820713 |
| Base 14 | 469b14 | 676114 |
| Base 15 | 399415 | 549b15 |
| Base 16 | 300116 | 460116 |