Compare 21880 vs 21890
| Property | 21880 | 21890 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 4 |
| Total factors | 5 | 4 |
| Prime factorization | 23 × 51 × 5471 | 21 × 51 × 111 × 1991 |
| Prime factorization | 2 × 2 × 2 × 5 × 547 | 2 × 5 × 11 × 199 |
| Divisors count | 16 | 16 |
| Divisors | 1, 2, 4, 5, 8, 10, 20, 40, 547, 1094, 2188, 2735, 4376, 5470, 10940, 21880 | 1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 4378, 10945, 21890 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010101011110002 | 1010101100000102 |
| Base 3 | 10100001013 | 10100002023 |
| Base 4 | 111113204 | 111120024 |
| Base 5 | 12000105 | 12000305 |
| Base 6 | 2451446 | 2452026 |
| Base 7 | 1205357 | 1205517 |
| Base 8 | 525708 | 526028 |
| Base 9 | 330119 | 330229 |
| Base 10 | 2188010 | 2189010 |
| Base 11 | 1549111 | 154a011 |
| Base 12 | 107b412 | 1080212 |
| Base 13 | 9c6113 | 9c6b13 |
| Base 14 | 7d8c14 | 7d9814 |
| Base 15 | 673a15 | 674515 |
| Base 16 | 557816 | 558216 |