Compare 1399 vs 1579
| Property | 1399 | 1579 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 13991 | 15791 |
| Prime factorization | 1399 | 1579 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1399 | 1, 1579 |
| Number of properties | 6 | 6 |
| Chen primes | 145th | |
| Cousin primes (1st member) | 56th | |
| Emirps | 65th | |
| Good primes | 52nd | |
| Harmonic primes | 76th | 83rd |
| Isolated primes | 131st | 150th |
| Long primes | 97th | |
| Lucky primes | 60th | |
| Primes | 222nd | 249th |
| Roman numberals | MCCCXCIX | MDLXXIX |
| Base 2 | 101011101112 | 110001010112 |
| Base 3 | 12202113 | 20111113 |
| Base 4 | 1113134 | 1202234 |
| Base 5 | 210445 | 223045 |
| Base 6 | 102516 | 111516 |
| Base 7 | 40367 | 44147 |
| Base 8 | 25678 | 30538 |
| Base 9 | 18249 | 21449 |
| Base 10 | 139910 | 157910 |
| Base 11 | 106211 | 120611 |
| Base 12 | 98712 | ab712 |
| Base 13 | 83813 | 94613 |
| Base 14 | 71d14 | 80b14 |
| Base 15 | 63415 | 70415 |
| Base 16 | 57716 | 62b16 |