Compare 20639 vs 20789
| Property | 20639 | 20789 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206391 | 207891 |
| Prime factorization | 20639 | 20789 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20639 | 1, 20789 |
| Number of properties | 4 | 7 |
| Chen primes | 1143rd | 1153rd |
| Happy primes | 384th | |
| Harmonic primes | 857th | |
| Isolated primes | 1635th | |
| Long primes | 889th | |
| Primes | 2326th | 2342nd |
| Pythagorean primes | 1164th | |
| Sophie germain primes | 337th | |
| Twin primes (1st member) | 351st | |
| Roman numberals | ||
| Base 2 | 1010000100111112 | 1010001001101012 |
| Base 3 | 10010221023 | 10011112223 |
| Base 4 | 110021334 | 110103114 |
| Base 5 | 11300245 | 11311245 |
| Base 6 | 2353156 | 2401256 |
| Base 7 | 1141137 | 1144167 |
| Base 8 | 502378 | 504658 |
| Base 9 | 312729 | 314589 |
| Base 10 | 2063910 | 2078910 |
| Base 11 | 1456311 | 1468a11 |
| Base 12 | bb3b12 | 1004512 |
| Base 13 | 951813 | 960213 |
| Base 14 | 774314 | 780d14 |
| Base 15 | 61ae15 | 625e15 |
| Base 16 | 509f16 | 513516 |