Compare 20663 vs 20897
| Property | 20663 | 20897 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206631 | 208971 |
| Prime factorization | 20663 | 20897 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20663 | 1, 20897 |
| Number of properties | 7 | 9 |
| Additive primes | 1081st | |
| Chen primes | 1144th | 1156th |
| Good primes | 264th | |
| Harmonic primes | 850th | 861st |
| Isolated primes | 1627th | |
| Long primes | 886th | 893rd |
| Primes | 2328th | 2350th |
| Prime triplets (1st member) | 174th | |
| Pythagorean primes | 1169th | |
| Safe primes | 197th | |
| Sexy primes (1st member) | 713th | |
| Twin primes (1st member) | 356th | |
| Roman numberals | ||
| Base 2 | 1010000101101112 | 1010001101000012 |
| Base 3 | 10011000223 | 10011222223 |
| Base 4 | 110023134 | 110122014 |
| Base 5 | 11301235 | 11320425 |
| Base 6 | 2353556 | 2404256 |
| Base 7 | 1141467 | 1146327 |
| Base 8 | 502678 | 506418 |
| Base 9 | 313089 | 315889 |
| Base 10 | 2066310 | 2089710 |
| Base 11 | 1458511 | 1477811 |
| Base 12 | bb5b12 | 1011512 |
| Base 13 | 953613 | 968613 |
| Base 14 | 775d14 | 788914 |
| Base 15 | 61c815 | 62d215 |
| Base 16 | 50b716 | 51a116 |