Compare 28123 vs 28125
| Property | 28123 | 28125 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 7 |
| Prime factorization | 281231 | 32 × 55 |
| Prime factorization | 28123 | 3 × 3 × 5 × 5 × 5 × 5 × 5 |
| Divisors count | 2 | 18 |
| Divisors | 1, 28123 | 1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 3125, 5625, 9375, 28125 |
| Number of properties | 4 | 0 |
| Happy primes | 495th | |
| Isolated primes | 2174th | |
| Lucky primes | 479th | |
| Primes | 3069th | |
| Roman numberals | ||
| Base 2 | 1101101110110112 | 1101101110111012 |
| Base 3 | 11021201213 | 11021202003 |
| Base 4 | 123131234 | 123131314 |
| Base 5 | 13444435 | 14000005 |
| Base 6 | 3341116 | 3341136 |
| Base 7 | 1446647 | 1446667 |
| Base 8 | 667338 | 667358 |
| Base 9 | 425179 | 425209 |
| Base 10 | 2812310 | 2812510 |
| Base 11 | 1a14711 | 1a14911 |
| Base 12 | 1433712 | 1433912 |
| Base 13 | ca5413 | ca5613 |
| Base 14 | a36b14 | a36d14 |
| Base 15 | 84ed15 | 850015 |
| Base 16 | 6ddb16 | 6ddd16 |