Compare 665138 vs 665139
| Property | 665138 | 665139 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 3325691 | 31 × 2217131 |
| Prime factorization | 2 × 332569 | 3 × 221713 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 332569, 665138 | 1, 3, 221713, 665139 |
| Number of properties | 1 | 1 |
| Semiprimes | 142283rd | 142284th |
| Roman numberals | ||
| Base 2 | 101000100110001100102 | 101000100110001100112 |
| Base 3 | 10202101012023 | 10202101012103 |
| Base 4 | 22021203024 | 22021203034 |
| Base 5 | 1322410235 | 1322410245 |
| Base 6 | 221312026 | 221312036 |
| Base 7 | 54401157 | 54401167 |
| Base 8 | 24230628 | 24230638 |
| Base 9 | 12233529 | 12233539 |
| Base 10 | 66513810 | 66513910 |
| Base 11 | 41480111 | 41480211 |
| Base 12 | 280b0212 | 280b0312 |
| Base 13 | 1a399613 | 1a399713 |
| Base 14 | 13457c14 | 13457d14 |
| Base 15 | d212815 | d212915 |
| Base 16 | a263216 | a263316 |