Compare 20509 vs 20789
| Property | 20509 | 20789 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 205091 | 207891 |
| Prime factorization | 20509 | 20789 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20509 | 1, 20789 |
| Number of properties | 5 | 7 |
| Chen primes | 1153rd | |
| Harmonic primes | 857th | |
| Isolated primes | 1635th | |
| Long primes | 882nd | 889th |
| Lucky primes | 375th | |
| Primes | 2315th | 2342nd |
| Pythagorean primes | 1152nd | 1164th |
| Sophie germain primes | 337th | |
| Twin primes (2nd member) | 349th | |
| Roman numberals | ||
| Base 2 | 1010000000111012 | 1010001001101012 |
| Base 3 | 10010101213 | 10011112223 |
| Base 4 | 110001314 | 110103114 |
| Base 5 | 11240145 | 11311245 |
| Base 6 | 2345416 | 2401256 |
| Base 7 | 1135367 | 1144167 |
| Base 8 | 500358 | 504658 |
| Base 9 | 311179 | 314589 |
| Base 10 | 2050910 | 2078910 |
| Base 11 | 1445511 | 1468a11 |
| Base 12 | ba5112 | 1004512 |
| Base 13 | 944813 | 960213 |
| Base 14 | 768d14 | 780d14 |
| Base 15 | 612415 | 625e15 |
| Base 16 | 501d16 | 513516 |