Compare 20663 vs 21419
| Property | 20663 | 21419 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206631 | 214191 |
| Prime factorization | 20663 | 21419 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20663 | 1, 21419 |
| Number of properties | 7 | 9 |
| Additive primes | 1081st | 1114th |
| Chen primes | 1144th | 1181st |
| Happy primes | 399th | |
| Harmonic primes | 850th | 882nd |
| Isolated primes | 1627th | 1680th |
| Long primes | 886th | 912th |
| Primes | 2328th | 2405th |
| Safe primes | 197th | 202nd |
| Sophie germain primes | 349th | |
| Roman numberals | ||
| Base 2 | 1010000101101112 | 1010011101010112 |
| Base 3 | 10011000223 | 10021010223 |
| Base 4 | 110023134 | 110322234 |
| Base 5 | 11301235 | 11411345 |
| Base 6 | 2353556 | 2430556 |
| Base 7 | 1141467 | 1163067 |
| Base 8 | 502678 | 516538 |
| Base 9 | 313089 | 323389 |
| Base 10 | 2066310 | 2141910 |
| Base 11 | 1458511 | 1510211 |
| Base 12 | bb5b12 | 1048b12 |
| Base 13 | 953613 | 999813 |
| Base 14 | 775d14 | 7b3d14 |
| Base 15 | 61c815 | 652e15 |
| Base 16 | 50b716 | 53ab16 |