Compare 42455 vs 42457
| Property | 42455 | 42457 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 71 × 12131 | 424571 |
| Prime factorization | 5 × 7 × 1213 | 42457 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 7, 35, 1213, 6065, 8491, 42455 | 1, 42457 |
| Number of properties | 0 | 9 |
| Chen primes | 2080th | |
| Cousin primes (1st member) | 613th | |
| Isolated primes | 3207th | |
| Primes | 4440th | |
| Prime triplets (1st member) | 289th | |
| Pythagorean primes | 2201st | |
| Sexy primes (1st member) | 1260th | |
| Sexy primes (2nd member) | 1259th | |
| Sexy prime triplets (2nd member) | 307th | |
| Roman numberals | ||
| Base 2 | 10100101110101112 | 10100101110110012 |
| Base 3 | 20110201023 | 20110201113 |
| Base 4 | 221131134 | 221131214 |
| Base 5 | 23243105 | 23243125 |
| Base 6 | 5243156 | 5243216 |
| Base 7 | 2345307 | 2345327 |
| Base 8 | 1227278 | 1227318 |
| Base 9 | 642129 | 642149 |
| Base 10 | 4245510 | 4245710 |
| Base 11 | 2999611 | 2999811 |
| Base 12 | 2069b12 | 206a112 |
| Base 13 | 1642a13 | 1642c13 |
| Base 14 | 1168714 | 1168914 |
| Base 15 | c8a515 | c8a715 |
| Base 16 | a5d716 | a5d916 |