Compare 1511 vs 1579
| Property | 1511 | 1579 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15111 | 15791 |
| Prime factorization | 1511 | 1579 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1511 | 1, 1579 |
| Number of properties | 7 | 6 |
| Chen primes | 155th | |
| Cousin primes (1st member) | 56th | |
| Emirps | 73rd | |
| Happy primes | 48th | |
| Harmonic primes | 83rd | |
| Isolated primes | 141st | 150th |
| Long primes | 97th | |
| Lucky primes | 60th | |
| Multiplicative primes | 17th | |
| Primes | 240th | 249th |
| Sophie germain primes | 51st | |
| Roman numberals | MDXI | MDLXXIX |
| Base 2 | 101111001112 | 110001010112 |
| Base 3 | 20012223 | 20111113 |
| Base 4 | 1132134 | 1202234 |
| Base 5 | 220215 | 223045 |
| Base 6 | 105556 | 111516 |
| Base 7 | 42567 | 44147 |
| Base 8 | 27478 | 30538 |
| Base 9 | 20589 | 21449 |
| Base 10 | 151110 | 157910 |
| Base 11 | 115411 | 120611 |
| Base 12 | a5b12 | ab712 |
| Base 13 | 8c313 | 94613 |
| Base 14 | 79d14 | 80b14 |
| Base 15 | 6ab15 | 70415 |
| Base 16 | 5e716 | 62b16 |