Compare 6649 vs 6653
| Property | 6649 | 6653 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 611 × 1091 | 66531 |
| Prime factorization | 61 × 109 | 6653 |
| Divisors count | 4 | 2 |
| Divisors | 1, 61, 109, 6649 | 1, 6653 |
| Number of properties | 1 | 7 |
| Good primes | 133rd | |
| Isolated primes | 554th | |
| Left-truncatable primes | 119th | |
| Primes | 857th | |
| Pythagorean primes | 422nd | |
| Semiprimes | 1789th | |
| Sexy primes (1st member) | 306th | |
| Super primes | 148th | |
| Roman numberals | ||
| Base 2 | 11001111110012 | 11001111111012 |
| Base 3 | 1000100213 | 1000101023 |
| Base 4 | 12133214 | 12133314 |
| Base 5 | 2030445 | 2031035 |
| Base 6 | 504416 | 504456 |
| Base 7 | 252467 | 252537 |
| Base 8 | 147718 | 147758 |
| Base 9 | 101079 | 101129 |
| Base 10 | 664910 | 665310 |
| Base 11 | 4aa511 | 4aa911 |
| Base 12 | 3a2112 | 3a2512 |
| Base 13 | 304613 | 304a13 |
| Base 14 | 25cd14 | 25d314 |
| Base 15 | 1e8415 | 1e8815 |
| Base 16 | 19f916 | 19fd16 |