Compare 20479 vs 20639
| Property | 20479 | 20639 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 204791 | 206391 |
| Prime factorization | 20479 | 20639 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20479 | 1, 20639 |
| Number of properties | 7 | 4 |
| Chen primes | 1138th | 1143rd |
| Cousin primes (1st member) | 353rd | |
| Happy primes | 384th | |
| Harmonic primes | 842nd | |
| Primes | 2312th | 2326th |
| Prime triplets (2nd member) | 171st | |
| Solinas primes | 89th | |
| Twin primes (1st member) | 351st | |
| Twin primes (2nd member) | 348th | |
| Roman numberals | ||
| Base 2 | 1001111111111112 | 1010000100111112 |
| Base 3 | 10010021113 | 10010221023 |
| Base 4 | 103333334 | 110021334 |
| Base 5 | 11234045 | 11300245 |
| Base 6 | 2344516 | 2353156 |
| Base 7 | 1134647 | 1141137 |
| Base 8 | 477778 | 502378 |
| Base 9 | 310749 | 312729 |
| Base 10 | 2047910 | 2063910 |
| Base 11 | 1442811 | 1456311 |
| Base 12 | ba2712 | bb3b12 |
| Base 13 | 942413 | 951813 |
| Base 14 | 766b14 | 774314 |
| Base 15 | 610415 | 61ae15 |
| Base 16 | 4fff16 | 509f16 |