Compare 1523 vs 1579
| Property | 1523 | 1579 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15231 | 15791 |
| Prime factorization | 1523 | 1579 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1523 | 1, 1579 |
| Number of properties | 7 | 6 |
| Additive primes | 131st | |
| Cousin primes (1st member) | 56th | |
| Emirps | 74th | |
| Harmonic primes | 83rd | |
| Isolated primes | 142nd | 150th |
| Left-truncatable primes | 59th | |
| Long primes | 97th | |
| Lucky primes | 60th | |
| Primes | 241st | 249th |
| Safe primes | 34th | |
| Super primes | 53rd | |
| Roman numberals | MDXXIII | MDLXXIX |
| Base 2 | 101111100112 | 110001010112 |
| Base 3 | 20021023 | 20111113 |
| Base 4 | 1133034 | 1202234 |
| Base 5 | 220435 | 223045 |
| Base 6 | 110156 | 111516 |
| Base 7 | 43047 | 44147 |
| Base 8 | 27638 | 30538 |
| Base 9 | 20729 | 21449 |
| Base 10 | 152310 | 157910 |
| Base 11 | 116511 | 120611 |
| Base 12 | a6b12 | ab712 |
| Base 13 | 90213 | 94613 |
| Base 14 | 7ab14 | 80b14 |
| Base 15 | 6b815 | 70415 |
| Base 16 | 5f316 | 62b16 |