Compare 28117 vs 28123
| Property | 28117 | 28123 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 311 × 9071 | 281231 |
| Prime factorization | 31 × 907 | 28123 |
| Divisors count | 4 | 2 |
| Divisors | 1, 31, 907, 28117 | 1, 28123 |
| Number of properties | 1 | 4 |
| Happy primes | 495th | |
| Isolated primes | 2174th | |
| Lucky primes | 479th | |
| Primes | 3069th | |
| Semiprimes | 7009th | |
| Roman numberals | ||
| Base 2 | 1101101110101012 | 1101101110110112 |
| Base 3 | 11021201013 | 11021201213 |
| Base 4 | 123131114 | 123131234 |
| Base 5 | 13444325 | 13444435 |
| Base 6 | 3341016 | 3341116 |
| Base 7 | 1446557 | 1446647 |
| Base 8 | 667258 | 667338 |
| Base 9 | 425119 | 425179 |
| Base 10 | 2811710 | 2812310 |
| Base 11 | 1a14111 | 1a14711 |
| Base 12 | 1433112 | 1433712 |
| Base 13 | ca4b13 | ca5413 |
| Base 14 | a36514 | a36b14 |
| Base 15 | 84e715 | 84ed15 |
| Base 16 | 6dd516 | 6ddb16 |