Compare 205078 vs 205081
| Property | 205078 | 205081 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 1025391 | 2050811 |
| Prime factorization | 2 × 102539 | 205081 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 102539, 205078 | 1, 205081 |
| Number of properties | 1 | 5 |
| Happy primes | 2801st | |
| Isolated primes | 13979th | |
| Lucky primes | 2361st | |
| Primes | 18388th | |
| Pythagorean primes | 9183rd | |
| Semiprimes | 46348th | |
| Roman numberals | ||
| Base 2 | 1100100001000101102 | 1100100001000110012 |
| Base 3 | 1011020221113 | 1011020221213 |
| Base 4 | 3020101124 | 3020101214 |
| Base 5 | 230303035 | 230303115 |
| Base 6 | 42212346 | 42212416 |
| Base 7 | 15126167 | 15126227 |
| Base 8 | 6204268 | 6204318 |
| Base 9 | 3422749 | 3422779 |
| Base 10 | 20507810 | 20508110 |
| Base 11 | 13009511 | 13009811 |
| Base 12 | 9a81a12 | 9a82112 |
| Base 13 | 7246313 | 7246613 |
| Base 14 | 54a4614 | 54a4914 |
| Base 15 | 40b6d15 | 40b7115 |
| Base 16 | 3211616 | 3211916 |