Compare 642012 vs 642017
| Property | 642012 | 642017 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 22 × 31 × 71 × 76431 | 2231 × 28791 |
| Prime factorization | 2 × 2 × 3 × 7 × 7643 | 223 × 2879 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 7643, 15286, 22929, 30572, 45858, 53501, 91716, 107002, 160503, 214004, 321006, 642012 | 1, 223, 2879, 642017 |
| Number of properties | 0 | 1 |
| Semiprimes | 137554th | |
| Roman numberals | ||
| Base 2 | 100111001011110111002 | 100111001011111000012 |
| Base 3 | 10121212000203 | 10121212001023 |
| Base 4 | 21302331304 | 21302332014 |
| Base 5 | 1310210225 | 1310210325 |
| Base 6 | 214321406 | 214321456 |
| Base 7 | 53125207 | 53125257 |
| Base 8 | 23457348 | 23457418 |
| Base 9 | 11776069 | 11776129 |
| Base 10 | 64201210 | 64201710 |
| Base 11 | 3a939811 | 3a93a211 |
| Base 12 | 26b65012 | 26b65512 |
| Base 13 | 1962b713 | 1962bc13 |
| Base 14 | 129d8014 | 129d8514 |
| Base 15 | ca35c15 | ca36215 |
| Base 16 | 9cbdc16 | 9cbe116 |