Compare 20521 vs 20771
| Property | 20521 | 20771 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 205211 | 207711 |
| Prime factorization | 20521 | 20771 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20521 | 1, 20771 |
| Number of properties | 6 | 7 |
| Additive primes | 1088th | |
| Chen primes | 1140th | 1152nd |
| Happy primes | 387th | |
| Harmonic primes | 843rd | 855th |
| Isolated primes | 1619th | |
| Primes | 2316th | 2340th |
| Pythagorean primes | 1153rd | |
| Sophie germain primes | 336th | |
| Twin primes (1st member) | 354th | |
| Ulam primes | 172nd | |
| Roman numberals | ||
| Base 2 | 1010000001010012 | 1010001001000112 |
| Base 3 | 10010110013 | 10011110223 |
| Base 4 | 110002214 | 110102034 |
| Base 5 | 11240415 | 11310415 |
| Base 6 | 2350016 | 2400556 |
| Base 7 | 1135547 | 1143627 |
| Base 8 | 500518 | 504438 |
| Base 9 | 311319 | 314389 |
| Base 10 | 2052110 | 2077110 |
| Base 11 | 1446611 | 1467311 |
| Base 12 | ba6112 | 1002b12 |
| Base 13 | 945713 | 95ba13 |
| Base 14 | 769b14 | 77d914 |
| Base 15 | 613115 | 624b15 |
| Base 16 | 502916 | 512316 |