Compare 1229 vs 1811
| Property | 1229 | 1811 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12291 | 18111 |
| Prime factorization | 1229 | 1811 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1229 | 1, 1811 |
| Number of properties | 9 | 8 |
| Additive primes | 149th | |
| Chen primes | 132nd | |
| Dihedral primes | 7th | |
| Emirps | 55th | 87th |
| Harmonic primes | 100th | |
| Isolated primes | 169th | |
| Long primes | 78th | 109th |
| Primes | 201st | 280th |
| Pythagorean primes | 99th | |
| Sexy primes (2nd member) | 87th | |
| Sexy prime triplets (3rd member) | 33rd | |
| Sophie germain primes | 44th | 56th |
| Twin primes (1st member) | 42nd | |
| Roman numberals | MCCXXIX | MDCCCXI |
| Base 2 | 100110011012 | 111000100112 |
| Base 3 | 12001123 | 21110023 |
| Base 4 | 1030314 | 1301034 |
| Base 5 | 144045 | 242215 |
| Base 6 | 54056 | 122156 |
| Base 7 | 34047 | 51657 |
| Base 8 | 23158 | 34238 |
| Base 9 | 16159 | 24329 |
| Base 10 | 122910 | 181110 |
| Base 11 | a1811 | 13a711 |
| Base 12 | 86512 | 106b12 |
| Base 13 | 73713 | a9413 |
| Base 14 | 63b14 | 93514 |
| Base 15 | 56e15 | 80b15 |
| Base 16 | 4cd16 | 71316 |