Compare 2081 vs 2161
| Property | 2081 | 2161 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 20811 | 21611 |
| Prime factorization | 2081 | 2161 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2081 | 1, 2161 |
| Number of properties | 10 | 3 |
| Additive primes | 162nd | |
| Chen primes | 192nd | |
| Isolated primes | 193rd | |
| Primes | 313th | 326th |
| Prime quadruplets (1st member) | 8th | |
| Prime triplets (1st member) | 51st | |
| Pythagorean primes | 152nd | 159th |
| Sexy primes (1st member) | 132nd | |
| Solinas primes | 58th | |
| Super primes | 65th | |
| Twin primes (1st member) | 63rd | |
| Roman numberals | MMLXXXI | MMCLXI |
| Base 2 | 1000001000012 | 1000011100012 |
| Base 3 | 22120023 | 22220013 |
| Base 4 | 2002014 | 2013014 |
| Base 5 | 313115 | 321215 |
| Base 6 | 133456 | 140016 |
| Base 7 | 60327 | 62057 |
| Base 8 | 40418 | 41618 |
| Base 9 | 27629 | 28619 |
| Base 10 | 208110 | 216110 |
| Base 11 | 162211 | 169511 |
| Base 12 | 125512 | 130112 |
| Base 13 | c4113 | ca313 |
| Base 14 | a8914 | b0514 |
| Base 15 | 93b15 | 99115 |
| Base 16 | 82116 | 87116 |