Compare 21890 vs 21902
| Property | 21890 | 21902 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 3 |
| Total factors | 4 | 3 |
| Prime factorization | 21 × 51 × 111 × 1991 | 21 × 471 × 2331 |
| Prime factorization | 2 × 5 × 11 × 199 | 2 × 47 × 233 |
| Divisors count | 16 | 8 |
| Divisors | 1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 4378, 10945, 21890 | 1, 2, 47, 94, 233, 466, 10951, 21902 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010101100000102 | 1010101100011102 |
| Base 3 | 10100002023 | 10100010123 |
| Base 4 | 111120024 | 111120324 |
| Base 5 | 12000305 | 12001025 |
| Base 6 | 2452026 | 2452226 |
| Base 7 | 1205517 | 1205667 |
| Base 8 | 526028 | 526168 |
| Base 9 | 330229 | 330359 |
| Base 10 | 2189010 | 2190210 |
| Base 11 | 154a011 | 1550111 |
| Base 12 | 1080212 | 1081212 |
| Base 13 | 9c6b13 | 9c7a13 |
| Base 14 | 7d9814 | 7da614 |
| Base 15 | 674515 | 675215 |
| Base 16 | 558216 | 558e16 |