Compare 665139 vs 665141
| Property | 665139 | 665141 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 2217131 | 6651411 |
| Prime factorization | 3 × 221713 | 665141 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 221713, 665139 | 1, 665141 |
| Number of properties | 1 | 4 |
| Additive primes | 21061st | |
| Chen primes | 21104th | |
| Isolated primes | 42309th | |
| Primes | 53960th | |
| Semiprimes | 142284th | |
| Roman numberals | ||
| Base 2 | 101000100110001100112 | 101000100110001101012 |
| Base 3 | 10202101012103 | 10202101012123 |
| Base 4 | 22021203034 | 22021203114 |
| Base 5 | 1322410245 | 1322410315 |
| Base 6 | 221312036 | 221312056 |
| Base 7 | 54401167 | 54401217 |
| Base 8 | 24230638 | 24230658 |
| Base 9 | 12233539 | 12233559 |
| Base 10 | 66513910 | 66514110 |
| Base 11 | 41480211 | 41480411 |
| Base 12 | 280b0312 | 280b0512 |
| Base 13 | 1a399713 | 1a399913 |
| Base 14 | 13457d14 | 13458114 |
| Base 15 | d212915 | d212b15 |
| Base 16 | a263316 | a263516 |