Compare 6642 vs 6653
| Property | 6642 | 6653 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 21 × 34 × 411 | 66531 |
| Prime factorization | 2 × 3 × 3 × 3 × 3 × 41 | 6653 |
| Divisors count | 20 | 2 |
| Divisors | 1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 246, 369, 738, 1107, 2214, 3321, 6642 | 1, 6653 |
| Number of properties | 0 | 7 |
| Good primes | 133rd | |
| Isolated primes | 554th | |
| Left-truncatable primes | 119th | |
| Primes | 857th | |
| Pythagorean primes | 422nd | |
| Sexy primes (1st member) | 306th | |
| Super primes | 148th | |
| Roman numberals | ||
| Base 2 | 11001111100102 | 11001111111012 |
| Base 3 | 1000100003 | 1000101023 |
| Base 4 | 12133024 | 12133314 |
| Base 5 | 2030325 | 2031035 |
| Base 6 | 504306 | 504456 |
| Base 7 | 252367 | 252537 |
| Base 8 | 147628 | 147758 |
| Base 9 | 101009 | 101129 |
| Base 10 | 664210 | 665310 |
| Base 11 | 4a9911 | 4aa911 |
| Base 12 | 3a1612 | 3a2512 |
| Base 13 | 303c13 | 304a13 |
| Base 14 | 25c614 | 25d314 |
| Base 15 | 1e7c15 | 1e8815 |
| Base 16 | 19f216 | 19fd16 |