Compare 87561 vs 87566
| Property | 87561 | 87566 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 6 | 2 |
| Prime factorization | 34 × 231 × 471 | 21 × 437831 |
| Prime factorization | 3 × 3 × 3 × 3 × 23 × 47 | 2 × 43783 |
| Divisors count | 20 | 4 |
| Divisors | 1, 3, 9, 23, 27, 47, 69, 81, 141, 207, 423, 621, 1081, 1269, 1863, 3243, 3807, 9729, 29187, 87561 | 1, 2, 43783, 87566 |
| Number of properties | 0 | 1 |
| Semiprimes | 20623rd | |
| Roman numberals | ||
| Base 2 | 101010110000010012 | 101010110000011102 |
| Base 3 | 111100100003 | 111100100123 |
| Base 4 | 1111200214 | 1111200324 |
| Base 5 | 103002215 | 103002315 |
| Base 6 | 15132136 | 15132226 |
| Base 7 | 5131657 | 5132037 |
| Base 8 | 2530118 | 2530168 |
| Base 9 | 1431009 | 1431059 |
| Base 10 | 8756110 | 8756610 |
| Base 11 | 5a87111 | 5a87611 |
| Base 12 | 4280912 | 4281212 |
| Base 13 | 30b1613 | 30b1b13 |
| Base 14 | 23ca514 | 23caa14 |
| Base 15 | 1ae2615 | 1ae2b15 |
| Base 16 | 1560916 | 1560e16 |