Compare 81689 vs 81971
| Property | 81689 | 81971 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 816891 | 819711 |
| Prime factorization | 81689 | 81971 |
| Divisors count | 2 | 2 |
| Divisors | 1, 81689 | 1, 81971 |
| Number of properties | 4 | 6 |
| Chen primes | 3603rd | 3613th |
| Cousin primes (2nd member) | 1034th | |
| Isolated primes | 5935th | |
| Long primes | 3042nd | |
| Primes | 7990th | 8016th |
| Prime triplets (2nd member) | 433rd | |
| Pythagorean primes | 3981st | |
| Twin primes (1st member) | 1032nd | |
| Roman numberals | ||
| Base 2 | 100111111000110012 | 101000000001100112 |
| Base 3 | 110110011123 | 110111022223 |
| Base 4 | 1033301214 | 1100003034 |
| Base 5 | 101032245 | 101103415 |
| Base 6 | 14301056 | 14312556 |
| Base 7 | 4601067 | 4606617 |
| Base 8 | 2374318 | 2400638 |
| Base 9 | 1340459 | 1343889 |
| Base 10 | 8168910 | 8197110 |
| Base 11 | 5641311 | 5664a11 |
| Base 12 | 3b33512 | 3b52b12 |
| Base 13 | 2b24a13 | 2b40613 |
| Base 14 | 21aad14 | 21c3114 |
| Base 15 | 1930e15 | 1944b15 |
| Base 16 | 13f1916 | 1403316 |