Compare 42221 vs 42451
| Property | 42221 | 42451 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 422211 | 424511 |
| Prime factorization | 42221 | 42451 |
| Divisors count | 2 | 2 |
| Divisors | 1, 42221 | 1, 42451 |
| Number of properties | 9 | 6 |
| Additive primes | 1970th | |
| Chen primes | 2073rd | |
| Isolated primes | 3206th | |
| Long primes | 1661st | |
| Lucky primes | 648th | |
| Primes | 4414th | 4439th |
| Prime triplets (1st member) | 287th | |
| Pythagorean primes | 2190th | |
| Sexy primes (1st member) | 1251st | 1259th |
| Sexy prime triplets (1st member) | 307th | |
| Sophie germain primes | 589th | |
| Twin primes (1st member) | 615th | |
| Ulam primes | 335th | |
| Roman numberals | ||
| Base 2 | 10100100111011012 | 10100101110100112 |
| Base 3 | 20102202023 | 20110200213 |
| Base 4 | 221032314 | 221131034 |
| Base 5 | 23223415 | 23243015 |
| Base 6 | 5232456 | 5243116 |
| Base 7 | 2340447 | 2345237 |
| Base 8 | 1223558 | 1227238 |
| Base 9 | 638229 | 642079 |
| Base 10 | 4222110 | 4245110 |
| Base 11 | 297a311 | 2999211 |
| Base 12 | 2052512 | 2069712 |
| Base 13 | 162aa13 | 1642613 |
| Base 14 | 1155b14 | 1168314 |
| Base 15 | c79b15 | c8a115 |
| Base 16 | a4ed16 | a5d316 |