Compare 1291 vs 1579
| Property | 1291 | 1579 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 12911 | 15791 | 
| Prime factorization | 1291 | 1579 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1291 | 1, 1579 | 
| Number of properties | 9 | 6 | 
| Additive primes | 113th | |
| Chen primes | 137th | |
| Cousin primes (1st member) | 56th | |
| Harmonic primes | 73rd | 83rd | 
| Isolated primes | 150th | |
| Long primes | 80th | 97th | 
| Lucky primes | 54th | 60th | 
| Primes | 210th | 249th | 
| Sexy primes (1st member) | 91st | |
| Sexy prime triplets (1st member) | 35th | |
| Twin primes (2nd member) | 44th | |
| Roman numberals | MCCXCI | MDLXXIX | 
| Base 2 | 101000010112 | 110001010112 | 
| Base 3 | 12022113 | 20111113 | 
| Base 4 | 1100234 | 1202234 | 
| Base 5 | 201315 | 223045 | 
| Base 6 | 55516 | 111516 | 
| Base 7 | 35237 | 44147 | 
| Base 8 | 24138 | 30538 | 
| Base 9 | 16849 | 21449 | 
| Base 10 | 129110 | 157910 | 
| Base 11 | a7411 | 120611 | 
| Base 12 | 8b712 | ab712 | 
| Base 13 | 78413 | 94613 | 
| Base 14 | 68314 | 80b14 | 
| Base 15 | 5b115 | 70415 | 
| Base 16 | 50b16 | 62b16 |