Compare 1229 vs 1399
| Property | 1229 | 1399 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12291 | 13991 |
| Prime factorization | 1229 | 1399 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1229 | 1, 1399 |
| Number of properties | 9 | 6 |
| Chen primes | 132nd | 145th |
| Emirps | 55th | 65th |
| Good primes | 52nd | |
| Harmonic primes | 76th | |
| Isolated primes | 131st | |
| Long primes | 78th | |
| Primes | 201st | 222nd |
| Pythagorean primes | 99th | |
| Sexy primes (2nd member) | 87th | |
| Sexy prime triplets (3rd member) | 33rd | |
| Sophie germain primes | 44th | |
| Twin primes (1st member) | 42nd | |
| Roman numberals | MCCXXIX | MCCCXCIX |
| Base 2 | 100110011012 | 101011101112 |
| Base 3 | 12001123 | 12202113 |
| Base 4 | 1030314 | 1113134 |
| Base 5 | 144045 | 210445 |
| Base 6 | 54056 | 102516 |
| Base 7 | 34047 | 40367 |
| Base 8 | 23158 | 25678 |
| Base 9 | 16159 | 18249 |
| Base 10 | 122910 | 139910 |
| Base 11 | a1811 | 106211 |
| Base 12 | 86512 | 98712 |
| Base 13 | 73713 | 83813 |
| Base 14 | 63b14 | 71d14 |
| Base 15 | 56e15 | 63415 |
| Base 16 | 4cd16 | 57716 |