Compare 640963 vs 641491
| Property | 640963 | 641491 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6409631 | 6414911 |
| Prime factorization | 640963 | 641491 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640963 | 1, 641491 |
| Number of properties | 6 | 3 |
| Cousin primes (1st member) | 5638th | |
| Isolated primes | 40873rd | 40906th |
| Lucky primes | 5983rd | 5989th |
| Primes | 52148th | 52185th |
| Sexy primes (2nd member) | 11300th | |
| Ulam primes | 3823rd | |
| Roman numberals | ||
| Base 2 | 100111000111110000112 | 100111001001110100112 |
| Base 3 | 10121200201013 | 10121202212213 |
| Base 4 | 21301330034 | 21302131034 |
| Base 5 | 1310023235 | 1310114315 |
| Base 6 | 214232316 | 214255116 |
| Base 7 | 53064617 | 53111447 |
| Base 8 | 23437038 | 23447238 |
| Base 9 | 11762119 | 11768579 |
| Base 10 | 64096310 | 64149110 |
| Base 11 | 3a862411 | 3a8a6411 |
| Base 12 | 26ab1712 | 26b29712 |
| Base 13 | 19598b13 | 195ca613 |
| Base 14 | 12983114 | 129acb14 |
| Base 15 | c9dad15 | ca11115 |
| Base 16 | 9c7c316 | 9c9d316 |