Compare 12721 vs 12809
| Property | 12721 | 12809 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 127211 | 128091 |
| Prime factorization | 12721 | 12809 |
| Divisors count | 2 | 2 |
| Divisors | 1, 12721 | 1, 12809 |
| Number of properties | 7 | 6 |
| Additive primes | 736th | |
| Chen primes | 770th | 775th |
| Emirps | 357th | |
| Harmonic primes | 544th | 546th |
| Isolated primes | 1032nd | 1040th |
| Palindromic primes | 27th | |
| Primes | 1519th | 1527th |
| Pythagorean primes | 753rd | 756th |
| Roman numberals | ||
| Base 2 | 110001101100012 | 110010000010012 |
| Base 3 | 1221100113 | 1221201023 |
| Base 4 | 30123014 | 30200214 |
| Base 5 | 4013415 | 4022145 |
| Base 6 | 1345216 | 1351456 |
| Base 7 | 520427 | 522267 |
| Base 8 | 306618 | 310118 |
| Base 9 | 184049 | 185129 |
| Base 10 | 1272110 | 1280910 |
| Base 11 | 961511 | 969511 |
| Base 12 | 744112 | 74b512 |
| Base 13 | 5a3713 | 5aa413 |
| Base 14 | 48c914 | 494d14 |
| Base 15 | 3b8115 | 3bde15 |
| Base 16 | 31b116 | 320916 |