Compare 1889 vs 2081
| Property | 1889 | 2081 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18891 | 20811 |
| Prime factorization | 1889 | 2081 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1889 | 1, 2081 |
| Number of properties | 5 | 10 |
| Additive primes | 162nd | |
| Chen primes | 178th | 192nd |
| Isolated primes | 175th | |
| Primes | 290th | 313th |
| Prime quadruplets (1st member) | 8th | |
| Prime triplets (1st member) | 51st | |
| Pythagorean primes | 140th | 152nd |
| Sexy primes (1st member) | 132nd | |
| Solinas primes | 58th | |
| Sophie germain primes | 57th | |
| Super primes | 65th | |
| Twin primes (1st member) | 63rd | |
| Roman numberals | MDCCCLXXXIX | MMLXXXI |
| Base 2 | 111011000012 | 1000001000012 |
| Base 3 | 21202223 | 22120023 |
| Base 4 | 1312014 | 2002014 |
| Base 5 | 300245 | 313115 |
| Base 6 | 124256 | 133456 |
| Base 7 | 53367 | 60327 |
| Base 8 | 35418 | 40418 |
| Base 9 | 25289 | 27629 |
| Base 10 | 188910 | 208110 |
| Base 11 | 146811 | 162211 |
| Base 12 | 111512 | 125512 |
| Base 13 | b2413 | c4113 |
| Base 14 | 98d14 | a8914 |
| Base 15 | 85e15 | 93b15 |
| Base 16 | 76116 | 82116 |