Compare 19937 vs 20521
| Property | 19937 | 20521 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 199371 | 205211 |
| Prime factorization | 19937 | 20521 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19937 | 1, 20521 |
| Number of properties | 6 | 6 |
| Additive primes | 1047th | |
| Chen primes | 1108th | 1140th |
| Harmonic primes | 843rd | |
| Isolated primes | 1575th | 1619th |
| Primes | 2254th | 2316th |
| Pythagorean primes | 1120th | 1153rd |
| Ulam primes | 164th | 172nd |
| Roman numberals | ||
| Base 2 | 1001101111000012 | 1010000001010012 |
| Base 3 | 10001001023 | 10010110013 |
| Base 4 | 103132014 | 110002214 |
| Base 5 | 11142225 | 11240415 |
| Base 6 | 2321456 | 2350016 |
| Base 7 | 1120617 | 1135547 |
| Base 8 | 467418 | 500518 |
| Base 9 | 303129 | 311319 |
| Base 10 | 1993710 | 2052110 |
| Base 11 | 13a8511 | 1446611 |
| Base 12 | b65512 | ba6112 |
| Base 13 | 90c813 | 945713 |
| Base 14 | 73a114 | 769b14 |
| Base 15 | 5d9215 | 613115 |
| Base 16 | 4de116 | 502916 |