Compare 81689 vs 82009
| Property | 81689 | 82009 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 816891 | 820091 |
| Prime factorization | 81689 | 82009 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81689 | 1, 82009 |
| Number of properties | 4 | 9 |
| Additive primes | 3330th | |
| Chen primes | 3603rd | 3615th |
| Cousin primes (1st member) | 1036th | |
| Isolated primes | 5935th | |
| Primes | 7990th | 8020th |
| Prime triplets (2nd member) | 435th | |
| Prime triplets (3rd member) | 434th | |
| Pythagorean primes | 3981st | 3996th |
| Sexy primes (2nd member) | 2082nd | |
| Twin primes (2nd member) | 1033rd | |
| Roman numberals | ||
| Base 2 | 100111111000110012 | 101000000010110012 |
| Base 3 | 110110011123 | 110111111013 |
| Base 4 | 1033301214 | 1100011214 |
| Base 5 | 101032245 | 101110145 |
| Base 6 | 14301056 | 14314016 |
| Base 7 | 4601067 | 4610447 |
| Base 8 | 2374318 | 2401318 |
| Base 9 | 1340459 | 1344419 |
| Base 10 | 8168910 | 8200910 |
| Base 11 | 5641311 | 5668411 |
| Base 12 | 3b33512 | 3b56112 |
| Base 13 | 2b24a13 | 2b43513 |
| Base 14 | 21aad14 | 21c5b14 |
| Base 15 | 1930e15 | 1947415 |
| Base 16 | 13f1916 | 1405916 |