Compare 1229 vs 1511
| Property | 1229 | 1511 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12291 | 15111 |
| Prime factorization | 1229 | 1511 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1229 | 1, 1511 |
| Number of properties | 9 | 7 |
| Chen primes | 132nd | 155th |
| Emirps | 55th | 73rd |
| Happy primes | 48th | |
| Isolated primes | 141st | |
| Long primes | 78th | |
| Multiplicative primes | 17th | |
| Primes | 201st | 240th |
| Pythagorean primes | 99th | |
| Sexy primes (2nd member) | 87th | |
| Sexy prime triplets (3rd member) | 33rd | |
| Sophie germain primes | 44th | 51st |
| Twin primes (1st member) | 42nd | |
| Roman numberals | MCCXXIX | MDXI |
| Base 2 | 100110011012 | 101111001112 |
| Base 3 | 12001123 | 20012223 |
| Base 4 | 1030314 | 1132134 |
| Base 5 | 144045 | 220215 |
| Base 6 | 54056 | 105556 |
| Base 7 | 34047 | 42567 |
| Base 8 | 23158 | 27478 |
| Base 9 | 16159 | 20589 |
| Base 10 | 122910 | 151110 |
| Base 11 | a1811 | 115411 |
| Base 12 | 86512 | a5b12 |
| Base 13 | 73713 | 8c313 |
| Base 14 | 63b14 | 79d14 |
| Base 15 | 56e15 | 6ab15 |
| Base 16 | 4cd16 | 5e716 |