Compare 42187 vs 42457
| Property | 42187 | 42457 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 421871 | 424571 |
| Prime factorization | 42187 | 42457 |
| Divisors count | 2 | 2 |
| Divisors | 1, 42187 | 1, 42457 |
| Number of properties | 5 | 9 |
| Chen primes | 2080th | |
| Cousin primes (1st member) | 613th | |
| Isolated primes | 3183rd | 3207th |
| Primes | 4410th | 4440th |
| Prime triplets (1st member) | 289th | |
| Pythagorean primes | 2201st | |
| Sexy primes (1st member) | 1250th | 1260th |
| Sexy primes (2nd member) | 1249th | 1259th |
| Sexy prime triplets (2nd member) | 304th | 307th |
| Roman numberals | ||
| Base 2 | 10100100110010112 | 10100101110110012 |
| Base 3 | 20102121113 | 20110201113 |
| Base 4 | 221030234 | 221131214 |
| Base 5 | 23222225 | 23243125 |
| Base 6 | 5231516 | 5243216 |
| Base 7 | 2336657 | 2345327 |
| Base 8 | 1223138 | 1227318 |
| Base 9 | 637749 | 642149 |
| Base 10 | 4218710 | 4245710 |
| Base 11 | 2977211 | 2999811 |
| Base 12 | 204b712 | 206a112 |
| Base 13 | 1628213 | 1642c13 |
| Base 14 | 1153514 | 1168914 |
| Base 15 | c77715 | c8a715 |
| Base 16 | a4cb16 | a5d916 |