Compare 66071 vs 66081
| Property | 66071 | 66081 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 660711 | 31 × 220271 |
| Prime factorization | 66071 | 3 × 22027 |
| Divisors count | 2 | 4 |
| Divisors | 1, 66071 | 1, 3, 22027, 66081 |
| Number of properties | 4 | 1 |
| Chen primes | 3021st | |
| Cousin primes (2nd member) | 868th | |
| Isolated primes | 4862nd | |
| Primes | 6597th | |
| Semiprimes | 15780th | |
| Roman numberals | ||
| Base 2 | 100000010000101112 | 100000010001000012 |
| Base 3 | 101001220023 | 101001221103 |
| Base 4 | 1000201134 | 1000202014 |
| Base 5 | 41032415 | 41033115 |
| Base 6 | 12255156 | 12255336 |
| Base 7 | 3634257 | 3634417 |
| Base 8 | 2010278 | 2010418 |
| Base 9 | 1105629 | 1105739 |
| Base 10 | 6607110 | 6608110 |
| Base 11 | 4570511 | 4571411 |
| Base 12 | 3229b12 | 322a912 |
| Base 13 | 240c513 | 2410213 |
| Base 14 | 1a11514 | 1a12114 |
| Base 15 | 1489b15 | 148a615 |
| Base 16 | 1021716 | 1022116 |