Compare 21442 vs 21445
| Property | 21442 | 21445 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 711 × 1511 | 51 × 42891 |
| Prime factorization | 2 × 71 × 151 | 5 × 4289 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 71, 142, 151, 302, 10721, 21442 | 1, 5, 4289, 21445 |
| Number of properties | 0 | 1 |
| Semiprimes | 5431st | |
| Roman numberals | ||
| Base 2 | 1010011110000102 | 1010011110001012 |
| Base 3 | 10021020113 | 10021020213 |
| Base 4 | 110330024 | 110330114 |
| Base 5 | 11412325 | 11412405 |
| Base 6 | 2431346 | 2431416 |
| Base 7 | 1163417 | 1163447 |
| Base 8 | 517028 | 517058 |
| Base 9 | 323649 | 323679 |
| Base 10 | 2144210 | 2144510 |
| Base 11 | 1512311 | 1512611 |
| Base 12 | 104aa12 | 104b112 |
| Base 13 | 99b513 | 99b813 |
| Base 14 | 7b5814 | 7b5b14 |
| Base 15 | 654715 | 654a15 |
| Base 16 | 53c216 | 53c516 |