Compare 20477 vs 20478
| Property | 20477 | 20478 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 204771 | 21 × 31 × 34131 |
| Prime factorization | 20477 | 2 × 3 × 3413 |
| Divisors count | 2 | 8 |
| Divisors | 1, 20477 | 1, 2, 3, 6, 3413, 6826, 10239, 20478 |
| Number of properties | 7 | 0 |
| Chen primes | 1137th | |
| Primes | 2311th | |
| Prime triplets (1st member) | 171st | |
| Pythagorean primes | 1151st | |
| Sexy primes (1st member) | 706th | |
| Super primes | 344th | |
| Twin primes (1st member) | 348th | |
| Roman numberals | ||
| Base 2 | 1001111111111012 | 1001111111111102 |
| Base 3 | 10010021023 | 10010021103 |
| Base 4 | 103333314 | 103333324 |
| Base 5 | 11234025 | 11234035 |
| Base 6 | 2344456 | 2344506 |
| Base 7 | 1134627 | 1134637 |
| Base 8 | 477758 | 477768 |
| Base 9 | 310729 | 310739 |
| Base 10 | 2047710 | 2047810 |
| Base 11 | 1442611 | 1442711 |
| Base 12 | ba2512 | ba2612 |
| Base 13 | 942213 | 942313 |
| Base 14 | 766914 | 766a14 |
| Base 15 | 610215 | 610315 |
| Base 16 | 4ffd16 | 4ffe16 |