Compare 1249 vs 1381
| Property | 1249 | 1381 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12491 | 13811 |
| Prime factorization | 1249 | 1381 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1249 | 1, 1381 |
| Number of properties | 5 | 7 |
| Additive primes | 122nd | |
| Chen primes | 144th | |
| Emirps | 58th | 64th |
| Isolated primes | 121st | 130th |
| Long primes | 86th | |
| Lucky primes | 53rd | |
| Primes | 204th | 221st |
| Pythagorean primes | 101st | 109th |
| Roman numberals | MCCXLIX | MCCCLXXXI |
| Base 2 | 100111000012 | 101011001012 |
| Base 3 | 12010213 | 12200113 |
| Base 4 | 1032014 | 1112114 |
| Base 5 | 144445 | 210115 |
| Base 6 | 54416 | 102216 |
| Base 7 | 34337 | 40127 |
| Base 8 | 23418 | 25458 |
| Base 9 | 16379 | 18049 |
| Base 10 | 124910 | 138110 |
| Base 11 | a3611 | 104611 |
| Base 12 | 88112 | 97112 |
| Base 13 | 75113 | 82313 |
| Base 14 | 65314 | 70914 |
| Base 15 | 58415 | 62115 |
| Base 16 | 4e116 | 56516 |