Compare 1871 vs 2011
| Property | 1871 | 2011 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18711 | 20111 |
| Prime factorization | 1871 | 2011 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1871 | 1, 2011 |
| Number of properties | 11 | 4 |
| Additive primes | 151st | |
| Chen primes | 176th | |
| Cousin primes (2nd member) | 62nd | |
| Good primes | 60th | |
| Harmonic primes | 113th | |
| Isolated primes | 184th | |
| Primes | 286th | 305th |
| Prime quadruplets (1st member) | 7th | |
| Prime quintuplet 1s (2nd member) | 3rd | |
| Prime triplets (1st member) | 47th | |
| Prime triplets (2nd member) | 46th | |
| Sexy primes (1st member) | 122nd | 130th |
| Twin primes (1st member) | 57th | |
| Roman numberals | MDCCCLXXI | MMXI |
| Base 2 | 111010011112 | 111110110112 |
| Base 3 | 21200223 | 22021113 |
| Base 4 | 1310334 | 1331234 |
| Base 5 | 244415 | 310215 |
| Base 6 | 123556 | 131516 |
| Base 7 | 53127 | 56027 |
| Base 8 | 35178 | 37338 |
| Base 9 | 25089 | 26749 |
| Base 10 | 187110 | 201110 |
| Base 11 | 145111 | 156911 |
| Base 12 | 10bb12 | 11b712 |
| Base 13 | b0c13 | bb913 |
| Base 14 | 97914 | a3914 |
| Base 15 | 84b15 | 8e115 |
| Base 16 | 74f16 | 7db16 |