Compare 1181 vs 1811
| Property | 1181 | 1811 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 11811 | 18111 |
| Prime factorization | 1181 | 1811 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1181 | 1, 1811 |
| Number of properties | 10 | 8 |
| Additive primes | 104th | 149th |
| Dihedral primes | 6th | 7th |
| Emirps | 49th | 87th |
| Harmonic primes | 68th | 100th |
| Isolated primes | 113th | 169th |
| Long primes | 74th | 109th |
| Primes | 194th | 280th |
| Pythagorean primes | 94th | |
| Sexy primes (1st member) | 84th | |
| Sexy prime triplets (1st member) | 32nd | |
| Sophie germain primes | 56th | |
| Roman numberals | MCLXXXI | MDCCCXI |
| Base 2 | 100100111012 | 111000100112 |
| Base 3 | 11212023 | 21110023 |
| Base 4 | 1021314 | 1301034 |
| Base 5 | 142115 | 242215 |
| Base 6 | 52456 | 122156 |
| Base 7 | 33057 | 51657 |
| Base 8 | 22358 | 34238 |
| Base 9 | 15529 | 24329 |
| Base 10 | 118110 | 181110 |
| Base 11 | 98411 | 13a711 |
| Base 12 | 82512 | 106b12 |
| Base 13 | 6cb13 | a9413 |
| Base 14 | 60514 | 93514 |
| Base 15 | 53b15 | 80b15 |
| Base 16 | 49d16 | 71316 |