Compare 6397 vs 6563
| Property | 6397 | 6563 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 63971 | 65631 |
| Prime factorization | 6397 | 6563 |
| Divisors count | 2 | 2 |
| Divisors | 1, 6397 | 1, 6563 |
| Number of properties | 5 | 5 |
| Good primes | 131st | |
| Isolated primes | 537th | 547th |
| Left-truncatable primes | 117th | |
| Primes | 834th | 848th |
| Pythagorean primes | 409th | |
| Restricted left-truncatable primes | 8th | |
| Sexy primes (1st member) | 304th | |
| Sophie germain primes | 146th | |
| Roman numberals | ||
| Base 2 | 11000111111012 | 11001101000112 |
| Base 3 | 222022213 | 1000000023 |
| Base 4 | 12033314 | 12122034 |
| Base 5 | 2010425 | 2022235 |
| Base 6 | 453416 | 502156 |
| Base 7 | 244367 | 250647 |
| Base 8 | 143758 | 146438 |
| Base 9 | 86879 | 100029 |
| Base 10 | 639710 | 656310 |
| Base 11 | 489611 | 4a2711 |
| Base 12 | 385112 | 396b12 |
| Base 13 | 2bb113 | 2cab13 |
| Base 14 | 248d14 | 256b14 |
| Base 15 | 1d6715 | 1e2815 |
| Base 16 | 18fd16 | 19a316 |