Compare 131221 vs 131437
| Property | 131221 | 131437 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1312211 | 1314371 |
| Prime factorization | 131221 | 131437 |
| Divisors count | 2 | 2 |
| Divisors | 1, 131221 | 1, 131437 |
| Number of properties | 4 | 9 |
| Additive primes | 5066th | |
| Cousin primes (1st member) | 1521st | |
| Emirps | 2494th | 2498th |
| Good primes | 792nd | |
| Harmonic primes | 4622nd | |
| Isolated primes | 9208th | 9223rd |
| Primes | 12261st | 12278th |
| Pythagorean primes | 6100th | 6109th |
| Sexy primes (2nd member) | 3041st | |
| Roman numberals | ||
| Base 2 | 1000000000100101012 | 1000000001011011012 |
| Base 3 | 202000000013 | 202000220013 |
| Base 4 | 2000021114 | 2000112314 |
| Base 5 | 131443415 | 132012225 |
| Base 6 | 24513016 | 24523016 |
| Base 7 | 10543667 | 10551257 |
| Base 8 | 4002258 | 4005558 |
| Base 9 | 2200019 | 2202619 |
| Base 10 | 13122110 | 13143710 |
| Base 11 | 8a65211 | 8a82911 |
| Base 12 | 63b3112 | 6409112 |
| Base 13 | 4795c13 | 47a9713 |
| Base 14 | 35b6d14 | 35c8514 |
| Base 15 | 28d3115 | 28e2715 |
| Base 16 | 2009516 | 2016d16 |