Compare 20663 vs 21227
| Property | 20663 | 21227 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206631 | 212271 |
| Prime factorization | 20663 | 21227 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20663 | 1, 21227 |
| Number of properties | 7 | 4 |
| Additive primes | 1081st | |
| Chen primes | 1144th | |
| Harmonic primes | 850th | |
| Isolated primes | 1627th | 1666th |
| Long primes | 886th | |
| Primes | 2328th | 2387th |
| Safe primes | 197th | 200th |
| Sexy primes (2nd member) | 723rd | |
| Roman numberals | ||
| Base 2 | 1010000101101112 | 1010010111010112 |
| Base 3 | 10011000223 | 10020100123 |
| Base 4 | 110023134 | 110232234 |
| Base 5 | 11301235 | 11344025 |
| Base 6 | 2353556 | 2421356 |
| Base 7 | 1141467 | 1156137 |
| Base 8 | 502678 | 513538 |
| Base 9 | 313089 | 321059 |
| Base 10 | 2066310 | 2122710 |
| Base 11 | 1458511 | 14a4811 |
| Base 12 | bb5b12 | 1034b12 |
| Base 13 | 953613 | 987b13 |
| Base 14 | 775d14 | 7a4314 |
| Base 15 | 61c815 | 645215 |
| Base 16 | 50b716 | 52eb16 |