Compare 6561 vs 6563
| Property | 6561 | 6563 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 1 | 1 |
| Total factors | 8 | 1 |
| Prime factorization | 38 | 65631 |
| Prime factorization | 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 | 6563 |
| Divisors count | 9 | 2 |
| Divisors | 1, 3, 9, 27, 81, 243, 729, 2187, 6561 | 1, 6563 |
| Number of properties | 0 | 5 |
| Good primes | 131st | |
| Isolated primes | 547th | |
| Primes | 848th | |
| Sexy primes (1st member) | 304th | |
| Sophie germain primes | 146th | |
| Roman numberals | ||
| Base 2 | 11001101000012 | 11001101000112 |
| Base 3 | 1000000003 | 1000000023 |
| Base 4 | 12122014 | 12122034 |
| Base 5 | 2022215 | 2022235 |
| Base 6 | 502136 | 502156 |
| Base 7 | 250627 | 250647 |
| Base 8 | 146418 | 146438 |
| Base 9 | 100009 | 100029 |
| Base 10 | 656110 | 656310 |
| Base 11 | 4a2511 | 4a2711 |
| Base 12 | 396912 | 396b12 |
| Base 13 | 2ca913 | 2cab13 |
| Base 14 | 256914 | 256b14 |
| Base 15 | 1e2615 | 1e2815 |
| Base 16 | 19a116 | 19a316 |