Compare 1553 vs 1579
| Property | 1553 | 1579 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15531 | 15791 |
| Prime factorization | 1553 | 1579 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1553 | 1, 1579 |
| Number of properties | 8 | 6 |
| Chen primes | 156th | |
| Cousin primes (1st member) | 56th | |
| Cousin primes (2nd member) | 54th | |
| Harmonic primes | 83rd | |
| Isolated primes | 146th | 150th |
| Long primes | 94th | 97th |
| Lucky primes | 60th | |
| Primes | 245th | 249th |
| Pythagorean primes | 118th | |
| Sexy primes (1st member) | 107th | |
| Ulam primes | 23rd | |
| Roman numberals | MDLIII | MDLXXIX |
| Base 2 | 110000100012 | 110001010112 |
| Base 3 | 20101123 | 20111113 |
| Base 4 | 1201014 | 1202234 |
| Base 5 | 222035 | 223045 |
| Base 6 | 111056 | 111516 |
| Base 7 | 43467 | 44147 |
| Base 8 | 30218 | 30538 |
| Base 9 | 21159 | 21449 |
| Base 10 | 155310 | 157910 |
| Base 11 | 119211 | 120611 |
| Base 12 | a9512 | ab712 |
| Base 13 | 92613 | 94613 |
| Base 14 | 7cd14 | 80b14 |
| Base 15 | 6d815 | 70415 |
| Base 16 | 61116 | 62b16 |