Compare 1229 vs 1249
| Property | 1229 | 1249 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12291 | 12491 |
| Prime factorization | 1229 | 1249 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1229 | 1, 1249 |
| Number of properties | 9 | 5 |
| Chen primes | 132nd | |
| Emirps | 55th | 58th |
| Isolated primes | 121st | |
| Long primes | 78th | |
| Lucky primes | 53rd | |
| Primes | 201st | 204th |
| Pythagorean primes | 99th | 101st |
| Sexy primes (2nd member) | 87th | |
| Sexy prime triplets (3rd member) | 33rd | |
| Sophie germain primes | 44th | |
| Twin primes (1st member) | 42nd | |
| Roman numberals | MCCXXIX | MCCXLIX |
| Base 2 | 100110011012 | 100111000012 |
| Base 3 | 12001123 | 12010213 |
| Base 4 | 1030314 | 1032014 |
| Base 5 | 144045 | 144445 |
| Base 6 | 54056 | 54416 |
| Base 7 | 34047 | 34337 |
| Base 8 | 23158 | 23418 |
| Base 9 | 16159 | 16379 |
| Base 10 | 122910 | 124910 |
| Base 11 | a1811 | a3611 |
| Base 12 | 86512 | 88112 |
| Base 13 | 73713 | 75113 |
| Base 14 | 63b14 | 65314 |
| Base 15 | 56e15 | 58415 |
| Base 16 | 4cd16 | 4e116 |