Compare 1249 vs 1253
| Property | 1249 | 1253 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 12491 | 71 × 1791 |
| Prime factorization | 1249 | 7 × 179 |
| Divisors count | 2 | 4 |
| Divisors | 1, 1249 | 1, 7, 179, 1253 |
| Number of properties | 5 | 1 |
| Emirps | 58th | |
| Isolated primes | 121st | |
| Lucky primes | 53rd | |
| Primes | 204th | |
| Pythagorean primes | 101st | |
| Semiprimes | 368th | |
| Roman numberals | MCCXLIX | MCCLIII |
| Base 2 | 100111000012 | 100111001012 |
| Base 3 | 12010213 | 12011023 |
| Base 4 | 1032014 | 1032114 |
| Base 5 | 144445 | 200035 |
| Base 6 | 54416 | 54456 |
| Base 7 | 34337 | 34407 |
| Base 8 | 23418 | 23458 |
| Base 9 | 16379 | 16429 |
| Base 10 | 124910 | 125310 |
| Base 11 | a3611 | a3a11 |
| Base 12 | 88112 | 88512 |
| Base 13 | 75113 | 75513 |
| Base 14 | 65314 | 65714 |
| Base 15 | 58415 | 58815 |
| Base 16 | 4e116 | 4e516 |