Compare 42221 vs 42391
| Property | 42221 | 42391 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 422211 | 423911 |
| Prime factorization | 42221 | 42391 |
| Divisors count | 2 | 2 |
| Divisors | 1, 42221 | 1, 42391 |
| Number of properties | 9 | 8 |
| Additive primes | 1970th | 1979th |
| Chen primes | 2073rd | |
| Harmonic primes | 1648th | |
| Isolated primes | 3200th | |
| Long primes | 1661st | |
| Lucky primes | 646th | |
| Primes | 4414th | 4431st |
| Prime triplets (1st member) | 287th | |
| Pythagorean primes | 2190th | |
| Sexy primes (1st member) | 1251st | 1255th |
| Sexy prime quadrupletss (1st member) | 48th | |
| Sexy prime triplets (1st member) | 305th | |
| Sophie germain primes | 589th | |
| Twin primes (1st member) | 615th | |
| Roman numberals | ||
| Base 2 | 10100100111011012 | 10100101100101112 |
| Base 3 | 20102202023 | 20110110013 |
| Base 4 | 221032314 | 221121134 |
| Base 5 | 23223415 | 23240315 |
| Base 6 | 5232456 | 5241316 |
| Base 7 | 2340447 | 2344067 |
| Base 8 | 1223558 | 1226278 |
| Base 9 | 638229 | 641319 |
| Base 10 | 4222110 | 4239110 |
| Base 11 | 297a311 | 2993811 |
| Base 12 | 2052512 | 2064712 |
| Base 13 | 162aa13 | 163ab13 |
| Base 14 | 1155b14 | 1163d14 |
| Base 15 | c79b15 | c86115 |
| Base 16 | a4ed16 | a59716 |