Compare 20478 vs 20479
| Property | 20478 | 20479 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 31 × 34131 | 204791 |
| Prime factorization | 2 × 3 × 3413 | 20479 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 3, 6, 3413, 6826, 10239, 20478 | 1, 20479 |
| Number of properties | 0 | 7 |
| Chen primes | 1138th | |
| Cousin primes (1st member) | 353rd | |
| Harmonic primes | 842nd | |
| Primes | 2312th | |
| Prime triplets (2nd member) | 171st | |
| Solinas primes | 89th | |
| Twin primes (2nd member) | 348th | |
| Roman numberals | ||
| Base 2 | 1001111111111102 | 1001111111111112 |
| Base 3 | 10010021103 | 10010021113 |
| Base 4 | 103333324 | 103333334 |
| Base 5 | 11234035 | 11234045 |
| Base 6 | 2344506 | 2344516 |
| Base 7 | 1134637 | 1134647 |
| Base 8 | 477768 | 477778 |
| Base 9 | 310739 | 310749 |
| Base 10 | 2047810 | 2047910 |
| Base 11 | 1442711 | 1442811 |
| Base 12 | ba2612 | ba2712 |
| Base 13 | 942313 | 942413 |
| Base 14 | 766a14 | 766b14 |
| Base 15 | 610315 | 610415 |
| Base 16 | 4ffe16 | 4fff16 |