Compare 9890 vs 9891
| Property | 9890 | 9891 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 3 |
| Total factors | 4 | 4 |
| Prime factorization | 21 × 51 × 231 × 431 | 32 × 71 × 1571 |
| Prime factorization | 2 × 5 × 23 × 43 | 3 × 3 × 7 × 157 |
| Divisors count | 16 | 12 |
| Divisors | 1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 9890 | 1, 3, 7, 9, 21, 63, 157, 471, 1099, 1413, 3297, 9891 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 100110101000102 | 100110101000112 |
| Base 3 | 1111200223 | 1111201003 |
| Base 4 | 21222024 | 21222034 |
| Base 5 | 3040305 | 3040315 |
| Base 6 | 1134426 | 1134436 |
| Base 7 | 405567 | 405607 |
| Base 8 | 232428 | 232438 |
| Base 9 | 145089 | 145109 |
| Base 10 | 989010 | 989110 |
| Base 11 | 748111 | 748211 |
| Base 12 | 588212 | 588312 |
| Base 13 | 466a13 | 466b13 |
| Base 14 | 386614 | 386714 |
| Base 15 | 2de515 | 2de615 |
| Base 16 | 26a216 | 26a316 |