Compare 642380 vs 642387
| Property | 642380 | 642387 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 51 × 321191 | 31 × 2141291 |
| Prime factorization | 2 × 2 × 5 × 32119 | 3 × 214129 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 32119, 64238, 128476, 160595, 321190, 642380 | 1, 3, 214129, 642387 |
| Number of properties | 0 | 1 |
| Semiprimes | 137636th | |
| Roman numberals | ||
| Base 2 | 100111001101010011002 | 100111001101010100112 |
| Base 3 | 10121220112123 | 10121220120103 |
| Base 4 | 21303110304 | 21303111034 |
| Base 5 | 1310240105 | 1310240225 |
| Base 6 | 214335526 | 214340036 |
| Base 7 | 53135547 | 53135647 |
| Base 8 | 23465148 | 23465238 |
| Base 9 | 11781559 | 11781639 |
| Base 10 | 64238010 | 64238710 |
| Base 11 | 3a96a211 | 3a96a911 |
| Base 12 | 26b8b812 | 26b90312 |
| Base 13 | 19650b13 | 19651513 |
| Base 14 | 12a16414 | 12a16b14 |
| Base 15 | ca50515 | ca50c15 |
| Base 16 | 9cd4c16 | 9cd5316 |