Compare 2081 vs 2591
| Property | 2081 | 2591 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 20811 | 25911 |
| Prime factorization | 2081 | 2591 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2081 | 1, 2591 |
| Number of properties | 10 | 6 |
| Additive primes | 162nd | 198th |
| Chen primes | 192nd | 228th |
| Class 1+ primes | 21st | |
| Pierpont primes of the 2nd kind | 21st | |
| Primes | 313th | 377th |
| Prime quadruplets (1st member) | 8th | |
| Prime triplets (1st member) | 51st | |
| Pythagorean primes | 152nd | |
| Sexy primes (1st member) | 132nd | |
| Solinas primes | 58th | |
| Super primes | 65th | |
| Twin primes (1st member) | 63rd | 74th |
| Roman numberals | MMLXXXI | MMDXCI |
| Base 2 | 1000001000012 | 1010000111112 |
| Base 3 | 22120023 | 101122223 |
| Base 4 | 2002014 | 2201334 |
| Base 5 | 313115 | 403315 |
| Base 6 | 133456 | 155556 |
| Base 7 | 60327 | 103617 |
| Base 8 | 40418 | 50378 |
| Base 9 | 27629 | 34889 |
| Base 10 | 208110 | 259110 |
| Base 11 | 162211 | 1a4611 |
| Base 12 | 125512 | 15bb12 |
| Base 13 | c4113 | 124413 |
| Base 14 | a8914 | d3114 |
| Base 15 | 93b15 | b7b15 |
| Base 16 | 82116 | a1f16 |