Compare 1229 vs 1409
| Property | 1229 | 1409 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12291 | 14091 |
| Prime factorization | 1229 | 1409 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1229 | 1, 1409 |
| Number of properties | 9 | 8 |
| Chen primes | 132nd | 146th |
| Emirps | 55th | 66th |
| Isolated primes | 132nd | |
| Long primes | 78th | |
| Primes | 201st | 223rd |
| Proth primes | 20th | |
| Pythagorean primes | 99th | 110th |
| Sexy primes (2nd member) | 87th | |
| Sexy prime triplets (3rd member) | 33rd | |
| Sophie germain primes | 44th | 46th |
| Super primes | 48th | |
| Twin primes (1st member) | 42nd | |
| Roman numberals | MCCXXIX | MCDIX |
| Base 2 | 100110011012 | 101100000012 |
| Base 3 | 12001123 | 12210123 |
| Base 4 | 1030314 | 1120014 |
| Base 5 | 144045 | 211145 |
| Base 6 | 54056 | 103056 |
| Base 7 | 34047 | 40527 |
| Base 8 | 23158 | 26018 |
| Base 9 | 16159 | 18359 |
| Base 10 | 122910 | 140910 |
| Base 11 | a1811 | 107111 |
| Base 12 | 86512 | 99512 |
| Base 13 | 73713 | 84513 |
| Base 14 | 63b14 | 72914 |
| Base 15 | 56e15 | 63e15 |
| Base 16 | 4cd16 | 58116 |