Compare 21681 vs 21689
| Property | 21681 | 21689 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 5 | 3 |
| Prime factorization | 33 × 111 × 731 | 232 × 411 |
| Prime factorization | 3 × 3 × 3 × 11 × 73 | 23 × 23 × 41 |
| Divisors count | 16 | 6 |
| Divisors | 1, 3, 9, 11, 27, 33, 73, 99, 219, 297, 657, 803, 1971, 2409, 7227, 21681 | 1, 23, 41, 529, 943, 21689 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010100101100012 | 1010100101110012 |
| Base 3 | 10022020003 | 10022020223 |
| Base 4 | 111023014 | 111023214 |
| Base 5 | 11432115 | 11432245 |
| Base 6 | 2442136 | 2442256 |
| Base 7 | 1201327 | 1201437 |
| Base 8 | 522618 | 522718 |
| Base 9 | 326609 | 326689 |
| Base 10 | 2168110 | 2168910 |
| Base 11 | 1532011 | 1532811 |
| Base 12 | 1066912 | 1067512 |
| Base 13 | 9b3a13 | 9b4513 |
| Base 14 | 7c8914 | 7c9314 |
| Base 15 | 665615 | 665e15 |
| Base 16 | 54b116 | 54b916 |