Compare 1225 vs 1229
| Property | 1225 | 1229 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 52 × 72 | 12291 |
| Prime factorization | 5 × 5 × 7 × 7 | 1229 |
| Divisors count | 9 | 2 |
| Divisors | 1, 5, 7, 25, 35, 49, 175, 245, 1225 | 1, 1229 |
| Number of properties | 0 | 9 |
| Chen primes | 132nd | |
| Emirps | 55th | |
| Long primes | 78th | |
| Primes | 201st | |
| 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 | MCCXXV | MCCXXIX |
| Base 2 | 100110010012 | 100110011012 |
| Base 3 | 12001013 | 12001123 |
| Base 4 | 1030214 | 1030314 |
| Base 5 | 144005 | 144045 |
| Base 6 | 54016 | 54056 |
| Base 7 | 34007 | 34047 |
| Base 8 | 23118 | 23158 |
| Base 9 | 16119 | 16159 |
| Base 10 | 122510 | 122910 |
| Base 11 | a1411 | a1811 |
| Base 12 | 86112 | 86512 |
| Base 13 | 73313 | 73713 |
| Base 14 | 63714 | 63b14 |
| Base 15 | 56a15 | 56e15 |
| Base 16 | 4c916 | 4cd16 |