Compare 621431 vs 621442
| Property | 621431 | 621442 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6214311 | 21 × 3107211 |
| Prime factorization | 621431 | 2 × 310721 |
| Divisors count | 2 | 4 |
| Divisors | 1, 621431 | 1, 2, 310721, 621442 |
| Number of properties | 5 | 1 |
| Additive primes | 19826th | |
| Chen primes | 19878th | |
| Cousin primes (2nd member) | 5497th | |
| Isolated primes | 39750th | |
| Primes | 50721st | |
| Semiprimes | 133241st | |
| Roman numberals | ||
| Base 2 | 100101111011011101112 | 100101111011100000102 |
| Base 3 | 10111201022223 | 10111201101013 |
| Base 4 | 21132313134 | 21132320024 |
| Base 5 | 1243412115 | 1243412325 |
| Base 6 | 211525556 | 211530146 |
| Base 7 | 51655167 | 51655337 |
| Base 8 | 22755678 | 22756028 |
| Base 9 | 11463889 | 11464119 |
| Base 10 | 62143110 | 62144210 |
| Base 11 | 39498811 | 39499811 |
| Base 12 | 25b75b12 | 25b76a12 |
| Base 13 | 189b1513 | 189b2313 |
| Base 14 | 12267d14 | 12268a14 |
| Base 15 | c41db15 | c41e715 |
| Base 16 | 97b7716 | 97b8216 |