Compare 12289 vs 12391
| Property | 12289 | 12391 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 122891 | 123911 |
| Prime factorization | 12289 | 12391 |
| Divisors count | 2 | 2 |
| Divisors | 1, 12289 | 1, 12391 |
| Number of properties | 9 | 4 |
| Centered heptagonal primes | 18th | |
| Cuban primes 2 | 13th | |
| Emirps | 337th | |
| Isolated primes | 989th | 996th |
| Lucky primes | 252nd | |
| Pierpont primes | 27th | |
| Primes | 1470th | 1479th |
| Proth primes | 42nd | |
| Pythagorean primes | 725th | |
| Solinas primes | 79th | |
| Thabit primes of the 2nd kind | 6th | |
| Roman numberals | ||
| Base 2 | 110000000000012 | 110000011001112 |
| Base 3 | 1212120113 | 1212222213 |
| Base 4 | 30000014 | 30012134 |
| Base 5 | 3431245 | 3440315 |
| Base 6 | 1325216 | 1332116 |
| Base 7 | 505547 | 510617 |
| Base 8 | 300018 | 301478 |
| Base 9 | 177649 | 178879 |
| Base 10 | 1228910 | 1239110 |
| Base 11 | 926211 | 934511 |
| Base 12 | 714112 | 720712 |
| Base 13 | 579413 | 584213 |
| Base 14 | 469b14 | 473114 |
| Base 15 | 399415 | 3a1115 |
| Base 16 | 300116 | 306716 |