Compare 6563 vs 6961
| Property | 6563 | 6961 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 65631 | 69611 |
| Prime factorization | 6563 | 6961 |
| Divisors count | 2 | 2 |
| Divisors | 1, 6563 | 1, 6961 |
| Number of properties | 5 | 4 |
| Good primes | 131st | |
| Isolated primes | 547th | |
| Primes | 848th | 894th |
| Pythagorean primes | 440th | |
| Sexy primes (1st member) | 304th | 314th |
| Sophie germain primes | 146th | |
| Twin primes (2nd member) | 162nd | |
| Roman numberals | ||
| Base 2 | 11001101000112 | 11011001100012 |
| Base 3 | 1000000023 | 1001122113 |
| Base 4 | 12122034 | 12303014 |
| Base 5 | 2022235 | 2103215 |
| Base 6 | 502156 | 521216 |
| Base 7 | 250647 | 262037 |
| Base 8 | 146438 | 154618 |
| Base 9 | 100029 | 104849 |
| Base 10 | 656310 | 696110 |
| Base 11 | 4a2711 | 525911 |
| Base 12 | 396b12 | 404112 |
| Base 13 | 2cab13 | 322613 |
| Base 14 | 256b14 | 277314 |
| Base 15 | 1e2815 | 20e115 |
| Base 16 | 19a316 | 1b3116 |