Compare 2081 vs 2657
| Property | 2081 | 2657 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 20811 | 26571 |
| Prime factorization | 2081 | 2657 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2081 | 1, 2657 |
| Number of properties | 10 | 10 |
| Additive primes | 162nd | |
| Chen primes | 192nd | 232nd |
| Good primes | 76th | |
| Harmonic primes | 145th | |
| Long primes | 154th | |
| Primes | 313th | 384th |
| Prime quadruplets (1st member) | 8th | |
| Prime triplets (1st member) | 51st | 57th |
| Pythagorean primes | 152nd | 189th |
| Quartan primes | 10th | |
| Sexy primes (1st member) | 132nd | 154th |
| Solinas primes | 58th | |
| Super primes | 65th | |
| Twin primes (1st member) | 63rd | 75th |
| Roman numberals | MMLXXXI | MMDCLVII |
| Base 2 | 1000001000012 | 1010011000012 |
| Base 3 | 22120023 | 101221023 |
| Base 4 | 2002014 | 2212014 |
| Base 5 | 313115 | 411125 |
| Base 6 | 133456 | 201456 |
| Base 7 | 60327 | 105147 |
| Base 8 | 40418 | 51418 |
| Base 9 | 27629 | 35729 |
| Base 10 | 208110 | 265710 |
| Base 11 | 162211 | 1aa611 |
| Base 12 | 125512 | 165512 |
| Base 13 | c4113 | 129513 |
| Base 14 | a8914 | d7b14 |
| Base 15 | 93b15 | bc215 |
| Base 16 | 82116 | a6116 |