Compare 2081 vs 2221
| Property | 2081 | 2221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 20811 | 22211 |
| Prime factorization | 2081 | 2221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2081 | 1, 2221 |
| Number of properties | 10 | 8 |
| Additive primes | 162nd | 174th |
| Chen primes | 192nd | |
| Happy primes | 59th | |
| Isolated primes | 198th | |
| Long primes | 129th | |
| Lucky primes | 74th | |
| Primes | 313th | 331st |
| Prime quadruplets (1st member) | 8th | |
| Prime triplets (1st member) | 51st | |
| Pythagorean primes | 152nd | 161st |
| Sexy primes (1st member) | 132nd | |
| Solinas primes | 58th | |
| Super primes | 65th | 67th |
| Twin primes (1st member) | 63rd | |
| Roman numberals | MMLXXXI | MMCCXXI |
| Base 2 | 1000001000012 | 1000101011012 |
| Base 3 | 22120023 | 100010213 |
| Base 4 | 2002014 | 2022314 |
| Base 5 | 313115 | 323415 |
| Base 6 | 133456 | 141416 |
| Base 7 | 60327 | 63227 |
| Base 8 | 40418 | 42558 |
| Base 9 | 27629 | 30379 |
| Base 10 | 208110 | 222110 |
| Base 11 | 162211 | 173a11 |
| Base 12 | 125512 | 135112 |
| Base 13 | c4113 | 101b13 |
| Base 14 | a8914 | b4914 |
| Base 15 | 93b15 | 9d115 |
| Base 16 | 82116 | 8ad16 |