Compare 12539 vs 13721
| Property | 12539 | 13721 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 125391 | 137211 |
| Prime factorization | 12539 | 13721 |
| Divisors count | 2 | 2 |
| Divisors | 1, 12539 | 1, 13721 |
| Number of properties | 5 | 6 |
| Chen primes | 762nd | 823rd |
| Harmonic primes | 583rd | |
| Long primes | 582nd | |
| Primes | 1497th | 1623rd |
| Pythagorean primes | 805th | |
| Safe primes | 139th | |
| Twin primes (1st member) | 243rd | 255th |
| Ulam primes | 119th | |
| Roman numberals | ||
| Base 2 | 110000111110112 | 110101100110012 |
| Base 3 | 1220121023 | 2002110123 |
| Base 4 | 30033234 | 31121214 |
| Base 5 | 4001245 | 4143415 |
| Base 6 | 1340156 | 1433056 |
| Base 7 | 513627 | 550017 |
| Base 8 | 303738 | 326318 |
| Base 9 | 181729 | 207359 |
| Base 10 | 1253910 | 1372110 |
| Base 11 | 946a11 | a34411 |
| Base 12 | 730b12 | 7b3512 |
| Base 13 | 592713 | 632613 |
| Base 14 | 47d914 | 500114 |
| Base 15 | 3aae15 | 40eb15 |
| Base 16 | 30fb16 | 359916 |