Compare 21670 vs 21681
| Property | 21670 | 21681 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 3 |
| Total factors | 4 | 5 |
| Prime factorization | 21 × 51 × 111 × 1971 | 33 × 111 × 731 |
| Prime factorization | 2 × 5 × 11 × 197 | 3 × 3 × 3 × 11 × 73 |
| Divisors count | 16 | 16 |
| Divisors | 1, 2, 5, 10, 11, 22, 55, 110, 197, 394, 985, 1970, 2167, 4334, 10835, 21670 | 1, 3, 9, 11, 27, 33, 73, 99, 219, 297, 657, 803, 1971, 2409, 7227, 21681 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010100101001102 | 1010100101100012 |
| Base 3 | 10022011213 | 10022020003 |
| Base 4 | 111022124 | 111023014 |
| Base 5 | 11431405 | 11432115 |
| Base 6 | 2441546 | 2442136 |
| Base 7 | 1201157 | 1201327 |
| Base 8 | 522468 | 522618 |
| Base 9 | 326479 | 326609 |
| Base 10 | 2167010 | 2168110 |
| Base 11 | 1531011 | 1532011 |
| Base 12 | 1065a12 | 1066912 |
| Base 13 | 9b2c13 | 9b3a13 |
| Base 14 | 7c7c14 | 7c8914 |
| Base 15 | 664a15 | 665615 |
| Base 16 | 54a616 | 54b116 |