Compare 1549 vs 1579
| Property | 1549 | 1579 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15491 | 15791 |
| Prime factorization | 1549 | 1579 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1549 | 1, 1579 |
| Number of properties | 7 | 6 |
| Additive primes | 133rd | |
| Cousin primes (1st member) | 54th | 56th |
| Harmonic primes | 83rd | |
| Isolated primes | 145th | 150th |
| Long primes | 93rd | 97th |
| Lucky primes | 60th | |
| Primes | 244th | 249th |
| Pythagorean primes | 117th | |
| Sexy primes (2nd member) | 106th | |
| Roman numberals | MDXLIX | MDLXXIX |
| Base 2 | 110000011012 | 110001010112 |
| Base 3 | 20101013 | 20111113 |
| Base 4 | 1200314 | 1202234 |
| Base 5 | 221445 | 223045 |
| Base 6 | 111016 | 111516 |
| Base 7 | 43427 | 44147 |
| Base 8 | 30158 | 30538 |
| Base 9 | 21119 | 21449 |
| Base 10 | 154910 | 157910 |
| Base 11 | 118911 | 120611 |
| Base 12 | a9112 | ab712 |
| Base 13 | 92213 | 94613 |
| Base 14 | 7c914 | 80b14 |
| Base 15 | 6d415 | 70415 |
| Base 16 | 60d16 | 62b16 |