Compare 42131 vs 42221
| Property | 42131 | 42221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 421311 | 422211 |
| Prime factorization | 42131 | 42221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 42131 | 1, 42221 |
| Number of properties | 6 | 9 |
| Additive primes | 1963rd | 1970th |
| Chen primes | 2073rd | |
| Happy primes | 724th | |
| Isolated primes | 3179th | |
| Long primes | 1657th | 1661st |
| Primes | 4404th | 4414th |
| Prime triplets (1st member) | 287th | |
| Pythagorean primes | 2190th | |
| Sexy primes (1st member) | 1251st | |
| Sophie germain primes | 588th | 589th |
| Twin primes (1st member) | 615th | |
| Roman numberals | ||
| Base 2 | 10100100100100112 | 10100100111011012 |
| Base 3 | 20102101023 | 20102202023 |
| Base 4 | 221021034 | 221032314 |
| Base 5 | 23220115 | 23223415 |
| Base 6 | 5230156 | 5232456 |
| Base 7 | 2335557 | 2340447 |
| Base 8 | 1222238 | 1223558 |
| Base 9 | 637129 | 638229 |
| Base 10 | 4213110 | 4222110 |
| Base 11 | 2972111 | 297a311 |
| Base 12 | 2046b12 | 2052512 |
| Base 13 | 1623b13 | 162aa13 |
| Base 14 | 114d514 | 1155b14 |
| Base 15 | c73b15 | c79b15 |
| Base 16 | a49316 | a4ed16 |