Compare 20477 vs 20521
| Property | 20477 | 20521 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 204771 | 205211 |
| Prime factorization | 20477 | 20521 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20477 | 1, 20521 |
| Number of properties | 7 | 6 |
| Chen primes | 1137th | 1140th |
| Harmonic primes | 843rd | |
| Isolated primes | 1619th | |
| Primes | 2311th | 2316th |
| Prime triplets (1st member) | 171st | |
| Pythagorean primes | 1151st | 1153rd |
| Sexy primes (1st member) | 706th | |
| Super primes | 344th | |
| Twin primes (1st member) | 348th | |
| Ulam primes | 172nd | |
| Roman numberals | ||
| Base 2 | 1001111111111012 | 1010000001010012 |
| Base 3 | 10010021023 | 10010110013 |
| Base 4 | 103333314 | 110002214 |
| Base 5 | 11234025 | 11240415 |
| Base 6 | 2344456 | 2350016 |
| Base 7 | 1134627 | 1135547 |
| Base 8 | 477758 | 500518 |
| Base 9 | 310729 | 311319 |
| Base 10 | 2047710 | 2052110 |
| Base 11 | 1442611 | 1446611 |
| Base 12 | ba2512 | ba6112 |
| Base 13 | 942213 | 945713 |
| Base 14 | 766914 | 769b14 |
| Base 15 | 610215 | 613115 |
| Base 16 | 4ffd16 | 502916 |