Compare 20509 vs 20681
| Property | 20509 | 20681 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 205091 | 206811 |
| Prime factorization | 20509 | 20681 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20509 | 1, 20681 |
| Number of properties | 5 | 5 |
| Additive primes | 1082nd | |
| Good primes | 258th | |
| Isolated primes | 1628th | |
| Long primes | 882nd | |
| Lucky primes | 375th | |
| Primes | 2315th | 2329th |
| Pythagorean primes | 1152nd | 1158th |
| Twin primes (2nd member) | 349th | |
| Roman numberals | ||
| Base 2 | 1010000000111012 | 1010000110010012 |
| Base 3 | 10010101213 | 10011002223 |
| Base 4 | 110001314 | 110030214 |
| Base 5 | 11240145 | 11302115 |
| Base 6 | 2345416 | 2354256 |
| Base 7 | 1135367 | 1142037 |
| Base 8 | 500358 | 503118 |
| Base 9 | 311179 | 313289 |
| Base 10 | 2050910 | 2068110 |
| Base 11 | 1445511 | 145a111 |
| Base 12 | ba5112 | bb7512 |
| Base 13 | 944813 | 954b13 |
| Base 14 | 768d14 | 777314 |
| Base 15 | 612415 | 61db15 |
| Base 16 | 501d16 | 50c916 |