Compare 28123 vs 28127
| Property | 28123 | 28127 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 281231 | 111 × 25571 |
| Prime factorization | 28123 | 11 × 2557 |
| Divisors count | 2 | 4 |
| Divisors | 1, 28123 | 1, 11, 2557, 28127 |
| Number of properties | 4 | 1 |
| Happy primes | 495th | |
| Isolated primes | 2174th | |
| Lucky primes | 479th | |
| Primes | 3069th | |
| Semiprimes | 7011th | |
| Roman numberals | ||
| Base 2 | 1101101110110112 | 1101101110111112 |
| Base 3 | 11021201213 | 11021202023 |
| Base 4 | 123131234 | 123131334 |
| Base 5 | 13444435 | 14000025 |
| Base 6 | 3341116 | 3341156 |
| Base 7 | 1446647 | 1450017 |
| Base 8 | 667338 | 667378 |
| Base 9 | 425179 | 425229 |
| Base 10 | 2812310 | 2812710 |
| Base 11 | 1a14711 | 1a15011 |
| Base 12 | 1433712 | 1433b12 |
| Base 13 | ca5413 | ca5813 |
| Base 14 | a36b14 | a37114 |
| Base 15 | 84ed15 | 850215 |
| Base 16 | 6ddb16 | 6ddf16 |