Compare 1811 vs 2141
| Property | 1811 | 2141 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18111 | 21411 |
| Prime factorization | 1811 | 2141 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1811 | 1, 2141 |
| Number of properties | 8 | 8 |
| Additive primes | 149th | |
| Chen primes | 197th | |
| Cousin primes (2nd member) | 67th | |
| Dihedral primes | 7th | |
| Emirps | 87th | |
| Harmonic primes | 100th | |
| Isolated primes | 169th | |
| Long primes | 109th | 124th |
| Primes | 280th | 323rd |
| Prime triplets (2nd member) | 53rd | |
| Pythagorean primes | 157th | |
| Sophie germain primes | 56th | 66th |
| Twin primes (1st member) | 67th | |
| Roman numberals | MDCCCXI | MMCXLI |
| Base 2 | 111000100112 | 1000010111012 |
| Base 3 | 21110023 | 22210223 |
| Base 4 | 1301034 | 2011314 |
| Base 5 | 242215 | 320315 |
| Base 6 | 122156 | 135256 |
| Base 7 | 51657 | 61467 |
| Base 8 | 34238 | 41358 |
| Base 9 | 24329 | 28389 |
| Base 10 | 181110 | 214110 |
| Base 11 | 13a711 | 167711 |
| Base 12 | 106b12 | 12a512 |
| Base 13 | a9413 | c8913 |
| Base 14 | 93514 | acd14 |
| Base 15 | 80b15 | 97b15 |
| Base 16 | 71316 | 85d16 |