Compare 1231 vs 1579
| Property | 1231 | 1579 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12311 | 15791 |
| Prime factorization | 1231 | 1579 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1231 | 1, 1579 |
| Number of properties | 6 | 6 |
| Additive primes | 108th | |
| Cousin primes (1st member) | 56th | |
| Emirps | 56th | |
| Harmonic primes | 83rd | |
| Isolated primes | 150th | |
| Long primes | 97th | |
| Lucky primes | 52nd | 60th |
| Primes | 202nd | 249th |
| Sexy primes (1st member) | 88th | |
| Twin primes (2nd member) | 42nd | |
| Roman numberals | MCCXXXI | MDLXXIX |
| Base 2 | 100110011112 | 110001010112 |
| Base 3 | 12001213 | 20111113 |
| Base 4 | 1030334 | 1202234 |
| Base 5 | 144115 | 223045 |
| Base 6 | 54116 | 111516 |
| Base 7 | 34067 | 44147 |
| Base 8 | 23178 | 30538 |
| Base 9 | 16179 | 21449 |
| Base 10 | 123110 | 157910 |
| Base 11 | a1a11 | 120611 |
| Base 12 | 86712 | ab712 |
| Base 13 | 73913 | 94613 |
| Base 14 | 63d14 | 80b14 |
| Base 15 | 57115 | 70415 |
| Base 16 | 4cf16 | 62b16 |