Compare 20663 vs 20849
| Property | 20663 | 20849 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206631 | 208491 |
| Prime factorization | 20663 | 20849 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20663 | 1, 20849 |
| Number of properties | 7 | 8 |
| Additive primes | 1081st | 1092nd |
| Chen primes | 1144th | 1155th |
| Good primes | 262nd | |
| Harmonic primes | 850th | 860th |
| Isolated primes | 1627th | 1636th |
| Long primes | 886th | |
| Primes | 2328th | 2345th |
| Pythagorean primes | 1166th | |
| Safe primes | 197th | |
| Ulam primes | 175th | |
| Roman numberals | ||
| Base 2 | 1010000101101112 | 1010001011100012 |
| Base 3 | 10011000223 | 10011210123 |
| Base 4 | 110023134 | 110113014 |
| Base 5 | 11301235 | 11313445 |
| Base 6 | 2353556 | 2403056 |
| Base 7 | 1141467 | 1145337 |
| Base 8 | 502678 | 505618 |
| Base 9 | 313089 | 315359 |
| Base 10 | 2066310 | 2084910 |
| Base 11 | 1458511 | 1473411 |
| Base 12 | bb5b12 | 1009512 |
| Base 13 | 953613 | 964a13 |
| Base 14 | 775d14 | 785314 |
| Base 15 | 61c815 | 629e15 |
| Base 16 | 50b716 | 517116 |