Compare 20663 vs 20681
| Property | 20663 | 20681 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206631 | 206811 |
| Prime factorization | 20663 | 20681 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20663 | 1, 20681 |
| Number of properties | 7 | 5 |
| Additive primes | 1081st | 1082nd |
| Chen primes | 1144th | |
| Good primes | 258th | |
| Harmonic primes | 850th | |
| Isolated primes | 1627th | 1628th |
| Long primes | 886th | |
| Primes | 2328th | 2329th |
| Pythagorean primes | 1158th | |
| Safe primes | 197th | |
| Roman numberals | ||
| Base 2 | 1010000101101112 | 1010000110010012 |
| Base 3 | 10011000223 | 10011002223 |
| Base 4 | 110023134 | 110030214 |
| Base 5 | 11301235 | 11302115 |
| Base 6 | 2353556 | 2354256 |
| Base 7 | 1141467 | 1142037 |
| Base 8 | 502678 | 503118 |
| Base 9 | 313089 | 313289 |
| Base 10 | 2066310 | 2068110 |
| Base 11 | 1458511 | 145a111 |
| Base 12 | bb5b12 | bb7512 |
| Base 13 | 953613 | 954b13 |
| Base 14 | 775d14 | 777314 |
| Base 15 | 61c815 | 61db15 |
| Base 16 | 50b716 | 50c916 |