Compare 428501 vs 428509
| Property | 428501 | 428509 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 1311 × 32711 | 4285091 |
| Prime factorization | 131 × 3271 | 428509 |
| Divisors count | 4 | 2 |
| Divisors | 1, 131, 3271, 428501 | 1, 428509 |
| Number of properties | 1 | 5 |
| Chen primes | 14472nd | |
| Happy primes | 5336th | |
| Isolated primes | 27964th | |
| Primes | 36039th | |
| Semiprimes | 93543rd | |
| Sexy primes (2nd member) | 8098th | |
| Roman numberals | ||
| Base 2 | 11010001001110101012 | 11010001001110111012 |
| Base 3 | 2102022101023 | 2102022102013 |
| Base 4 | 12202131114 | 12202131314 |
| Base 5 | 1022030015 | 1022030145 |
| Base 6 | 131034456 | 131035016 |
| Base 7 | 34331637 | 34332047 |
| Base 8 | 15047258 | 15047358 |
| Base 9 | 7227129 | 7227219 |
| Base 10 | 42850110 | 42850910 |
| Base 11 | 272a3711 | 272a4411 |
| Base 12 | 187b8512 | 187b9112 |
| Base 13 | 12006813 | 12007313 |
| Base 14 | b223314 | b223b14 |
| Base 15 | 86e6b15 | 86e7415 |
| Base 16 | 689d516 | 689dd16 |