Compare 12821 vs 13931
| Property | 12821 | 13931 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 128211 | 139311 |
| Prime factorization | 12821 | 13931 |
| Divisors count | 2 | 2 |
| Divisors | 1, 12821 | 1, 13931 |
| Number of properties | 8 | 8 |
| Additive primes | 789th | |
| Chen primes | 776th | 837th |
| Harmonic primes | 547th | 595th |
| Long primes | 594th | 641st |
| Palindromic primes | 28th | 31st |
| Primes | 1528th | 1647th |
| Pythagorean primes | 757th | |
| Sophie germain primes | 232nd | |
| Twin primes (1st member) | 245th | 260th |
| Ulam primes | 122nd | |
| Roman numberals | ||
| Base 2 | 110010000101012 | 110110011010112 |
| Base 3 | 1221202123 | 2010022223 |
| Base 4 | 30201114 | 31212234 |
| Base 5 | 4022415 | 4212115 |
| Base 6 | 1352056 | 1442556 |
| Base 7 | 522447 | 554217 |
| Base 8 | 310258 | 331538 |
| Base 9 | 185259 | 210889 |
| Base 10 | 1282110 | 1393110 |
| Base 11 | 96a611 | a51511 |
| Base 12 | 750512 | 808b12 |
| Base 13 | 5ab313 | 645813 |
| Base 14 | 495b14 | 511114 |
| Base 15 | 3beb15 | 41db15 |
| Base 16 | 321516 | 366b16 |