Compare 20521 vs 20789
| Property | 20521 | 20789 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 205211 | 207891 |
| Prime factorization | 20521 | 20789 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20521 | 1, 20789 |
| Number of properties | 6 | 7 |
| Chen primes | 1140th | 1153rd |
| Harmonic primes | 843rd | 857th |
| Isolated primes | 1619th | 1635th |
| Long primes | 889th | |
| Primes | 2316th | 2342nd |
| Pythagorean primes | 1153rd | 1164th |
| Sophie germain primes | 337th | |
| Ulam primes | 172nd | |
| Roman numberals | ||
| Base 2 | 1010000001010012 | 1010001001101012 |
| Base 3 | 10010110013 | 10011112223 |
| Base 4 | 110002214 | 110103114 |
| Base 5 | 11240415 | 11311245 |
| Base 6 | 2350016 | 2401256 |
| Base 7 | 1135547 | 1144167 |
| Base 8 | 500518 | 504658 |
| Base 9 | 311319 | 314589 |
| Base 10 | 2052110 | 2078910 |
| Base 11 | 1446611 | 1468a11 |
| Base 12 | ba6112 | 1004512 |
| Base 13 | 945713 | 960213 |
| Base 14 | 769b14 | 780d14 |
| Base 15 | 613115 | 625e15 |
| Base 16 | 502916 | 513516 |