Compare 20479 vs 20487
| Property | 20479 | 20487 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 204791 | 31 × 68291 |
| Prime factorization | 20479 | 3 × 6829 |
| Divisors count | 2 | 4 |
| Divisors | 1, 20479 | 1, 3, 6829, 20487 |
| Number of properties | 7 | 1 |
| Chen primes | 1138th | |
| Cousin primes (1st member) | 353rd | |
| Harmonic primes | 842nd | |
| Primes | 2312th | |
| Prime triplets (2nd member) | 171st | |
| Semiprimes | 5198th | |
| Solinas primes | 89th | |
| Twin primes (2nd member) | 348th | |
| Roman numberals | ||
| Base 2 | 1001111111111112 | 1010000000001112 |
| Base 3 | 10010021113 | 10010022103 |
| Base 4 | 103333334 | 110000134 |
| Base 5 | 11234045 | 11234225 |
| Base 6 | 2344516 | 2345036 |
| Base 7 | 1134647 | 1135057 |
| Base 8 | 477778 | 500078 |
| Base 9 | 310749 | 310839 |
| Base 10 | 2047910 | 2048710 |
| Base 11 | 1442811 | 1443511 |
| Base 12 | ba2712 | ba3312 |
| Base 13 | 942413 | 942c13 |
| Base 14 | 766b14 | 767514 |
| Base 15 | 610415 | 610c15 |
| Base 16 | 4fff16 | 500716 |