Compare 1249 vs 1255
| Property | 1249 | 1255 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 12491 | 51 × 2511 |
| Prime factorization | 1249 | 5 × 251 |
| Divisors count | 2 | 4 |
| Divisors | 1, 1249 | 1, 5, 251, 1255 |
| Number of properties | 5 | 1 |
| Emirps | 58th | |
| Isolated primes | 121st | |
| Lucky primes | 53rd | |
| Primes | 204th | |
| Pythagorean primes | 101st | |
| Semiprimes | 369th | |
| Roman numberals | MCCXLIX | MCCLV |
| Base 2 | 100111000012 | 100111001112 |
| Base 3 | 12010213 | 12011113 |
| Base 4 | 1032014 | 1032134 |
| Base 5 | 144445 | 200105 |
| Base 6 | 54416 | 54516 |
| Base 7 | 34337 | 34427 |
| Base 8 | 23418 | 23478 |
| Base 9 | 16379 | 16449 |
| Base 10 | 124910 | 125510 |
| Base 11 | a3611 | a4111 |
| Base 12 | 88112 | 88712 |
| Base 13 | 75113 | 75713 |
| Base 14 | 65314 | 65914 |
| Base 15 | 58415 | 58a15 |
| Base 16 | 4e116 | 4e716 |