Compare 12289 vs 16381
| Property | 12289 | 16381 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 122891 | 163811 |
| Prime factorization | 12289 | 16381 |
| Divisors count | 2 | 2 |
| Divisors | 1, 12289 | 1, 16381 |
| Number of properties | 9 | 8 |
| Additive primes | 904th | |
| Centered square primes | 33rd | |
| Centered triangular primes | 25th | |
| Cuban primes 2 | 13th | |
| Emirps | 337th | |
| Isolated primes | 989th | 1321st |
| Lucky primes | 312th | |
| Pierpont primes | 27th | |
| Primes | 1470th | 1900th |
| Proth primes | 42nd | |
| Pythagorean primes | 725th | 941st |
| Solinas primes | 79th | 85th |
| Thabit primes of the 2nd kind | 6th | |
| Roman numberals | ||
| Base 2 | 110000000000012 | 111111111111012 |
| Base 3 | 1212120113 | 2111102013 |
| Base 4 | 30000014 | 33333314 |
| Base 5 | 3431245 | 10110115 |
| Base 6 | 1325216 | 2035016 |
| Base 7 | 505547 | 655217 |
| Base 8 | 300018 | 377758 |
| Base 9 | 177649 | 244219 |
| Base 10 | 1228910 | 1638110 |
| Base 11 | 926211 | 1134211 |
| Base 12 | 714112 | 959112 |
| Base 13 | 579413 | 75c113 |
| Base 14 | 469b14 | 5d8114 |
| Base 15 | 399415 | 4cc115 |
| Base 16 | 300116 | 3ffd16 |