Compare 1249 vs 1399
| Property | 1249 | 1399 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12491 | 13991 |
| Prime factorization | 1249 | 1399 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1249 | 1, 1399 |
| Number of properties | 5 | 6 |
| Chen primes | 145th | |
| Emirps | 58th | 65th |
| Good primes | 52nd | |
| Harmonic primes | 76th | |
| Isolated primes | 121st | 131st |
| Lucky primes | 53rd | |
| Primes | 204th | 222nd |
| Pythagorean primes | 101st | |
| Roman numberals | MCCXLIX | MCCCXCIX |
| Base 2 | 100111000012 | 101011101112 |
| Base 3 | 12010213 | 12202113 |
| Base 4 | 1032014 | 1113134 |
| Base 5 | 144445 | 210445 |
| Base 6 | 54416 | 102516 |
| Base 7 | 34337 | 40367 |
| Base 8 | 23418 | 25678 |
| Base 9 | 16379 | 18249 |
| Base 10 | 124910 | 139910 |
| Base 11 | a3611 | 106211 |
| Base 12 | 88112 | 98712 |
| Base 13 | 75113 | 83813 |
| Base 14 | 65314 | 71d14 |
| Base 15 | 58415 | 63415 |
| Base 16 | 4e116 | 57716 |