Compare 42221 vs 42257
| Property | 42221 | 42257 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 422211 | 422571 |
| Prime factorization | 42221 | 42257 |
| Divisors count | 2 | 2 |
| Divisors | 1, 42221 | 1, 42257 |
| Number of properties | 9 | 5 |
| Additive primes | 1970th | |
| Chen primes | 2073rd | 2075th |
| Isolated primes | 3189th | |
| Long primes | 1661st | 1663rd |
| Primes | 4414th | 4418th |
| Prime triplets (1st member) | 287th | |
| Pythagorean primes | 2190th | 2191st |
| Sexy primes (1st member) | 1251st | |
| Sophie germain primes | 589th | |
| Twin primes (1st member) | 615th | |
| Roman numberals | ||
| Base 2 | 10100100111011012 | 10100101000100012 |
| Base 3 | 20102202023 | 20102220023 |
| Base 4 | 221032314 | 221101014 |
| Base 5 | 23223415 | 23230125 |
| Base 6 | 5232456 | 5233456 |
| Base 7 | 2340447 | 2341257 |
| Base 8 | 1223558 | 1224218 |
| Base 9 | 638229 | 638629 |
| Base 10 | 4222110 | 4225710 |
| Base 11 | 297a311 | 2982611 |
| Base 12 | 2052512 | 2055512 |
| Base 13 | 162aa13 | 1630713 |
| Base 14 | 1155b14 | 1158514 |
| Base 15 | c79b15 | c7c215 |
| Base 16 | a4ed16 | a51116 |