Compare 21868 vs 21869
| Property | 21868 | 21869 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 22 × 71 × 111 × 711 | 191 × 11511 |
| Prime factorization | 2 × 2 × 7 × 11 × 71 | 19 × 1151 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1988, 3124, 5467, 10934, 21868 | 1, 19, 1151, 21869 |
| Number of properties | 0 | 1 |
| Semiprimes | 5521st | |
| Roman numberals | ||
| Base 2 | 1010101011011002 | 1010101011011012 |
| Base 3 | 10022222213 | 10022222223 |
| Base 4 | 111112304 | 111112314 |
| Base 5 | 11444335 | 11444345 |
| Base 6 | 2451246 | 2451256 |
| Base 7 | 1205207 | 1205217 |
| Base 8 | 525548 | 525558 |
| Base 9 | 328879 | 328889 |
| Base 10 | 2186810 | 2186910 |
| Base 11 | 1548011 | 1548111 |
| Base 12 | 107a412 | 107a512 |
| Base 13 | 9c5213 | 9c5313 |
| Base 14 | 7d8014 | 7d8114 |
| Base 15 | 672d15 | 672e15 |
| Base 16 | 556c16 | 556d16 |