Compare 12805 vs 12809
| Property | 12805 | 12809 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 131 × 1971 | 128091 |
| Prime factorization | 5 × 13 × 197 | 12809 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 13, 65, 197, 985, 2561, 12805 | 1, 12809 |
| Number of properties | 0 | 6 |
| Chen primes | 775th | |
| Emirps | 357th | |
| Harmonic primes | 546th | |
| Isolated primes | 1040th | |
| Primes | 1527th | |
| Pythagorean primes | 756th | |
| Roman numberals | ||
| Base 2 | 110010000001012 | 110010000010012 |
| Base 3 | 1221200213 | 1221201023 |
| Base 4 | 30200114 | 30200214 |
| Base 5 | 4022105 | 4022145 |
| Base 6 | 1351416 | 1351456 |
| Base 7 | 522227 | 522267 |
| Base 8 | 310058 | 310118 |
| Base 9 | 185079 | 185129 |
| Base 10 | 1280510 | 1280910 |
| Base 11 | 969111 | 969511 |
| Base 12 | 74b112 | 74b512 |
| Base 13 | 5aa013 | 5aa413 |
| Base 14 | 494914 | 494d14 |
| Base 15 | 3bda15 | 3bde15 |
| Base 16 | 320516 | 320916 |