Compare 1181 vs 1381
| Property | 1181 | 1381 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 11811 | 13811 |
| Prime factorization | 1181 | 1381 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1181 | 1, 1381 |
| Number of properties | 10 | 7 |
| Additive primes | 104th | 122nd |
| Chen primes | 144th | |
| Dihedral primes | 6th | |
| Emirps | 49th | 64th |
| Harmonic primes | 68th | |
| Isolated primes | 113th | 130th |
| Long primes | 74th | 86th |
| Primes | 194th | 221st |
| Pythagorean primes | 94th | 109th |
| Sexy primes (1st member) | 84th | |
| Sexy prime triplets (1st member) | 32nd | |
| Roman numberals | MCLXXXI | MCCCLXXXI |
| Base 2 | 100100111012 | 101011001012 |
| Base 3 | 11212023 | 12200113 |
| Base 4 | 1021314 | 1112114 |
| Base 5 | 142115 | 210115 |
| Base 6 | 52456 | 102216 |
| Base 7 | 33057 | 40127 |
| Base 8 | 22358 | 25458 |
| Base 9 | 15529 | 18049 |
| Base 10 | 118110 | 138110 |
| Base 11 | 98411 | 104611 |
| Base 12 | 82512 | 97112 |
| Base 13 | 6cb13 | 82313 |
| Base 14 | 60514 | 70914 |
| Base 15 | 53b15 | 62115 |
| Base 16 | 49d16 | 56516 |