Compare 20393 vs 20521
| Property | 20393 | 20521 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 203931 | 205211 |
| Prime factorization | 20393 | 20521 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20393 | 1, 20521 |
| Number of properties | 11 | 6 |
| Additive primes | 1070th | |
| Chen primes | 1132nd | 1140th |
| Cousin primes (2nd member) | 351st | |
| Happy primes | 383rd | |
| Harmonic primes | 839th | 843rd |
| Isolated primes | 1613th | 1619th |
| Long primes | 879th | |
| Primes | 2304th | 2316th |
| Pythagorean primes | 1149th | 1153rd |
| Sexy primes (1st member) | 705th | |
| Sophie germain primes | 330th | |
| Ulam primes | 172nd | |
| Roman numberals | ||
| Base 2 | 1001111101010012 | 1010000001010012 |
| Base 3 | 10002220223 | 10010110013 |
| Base 4 | 103322214 | 110002214 |
| Base 5 | 11230335 | 11240415 |
| Base 6 | 2342256 | 2350016 |
| Base 7 | 1133127 | 1135547 |
| Base 8 | 476518 | 500518 |
| Base 9 | 308689 | 311319 |
| Base 10 | 2039310 | 2052110 |
| Base 11 | 1435a11 | 1446611 |
| Base 12 | b97512 | ba6112 |
| Base 13 | 938913 | 945713 |
| Base 14 | 760914 | 769b14 |
| Base 15 | 609815 | 613115 |
| Base 16 | 4fa916 | 502916 |