Compare 28123 vs 28126
| Property | 28123 | 28126 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 5 |
| Prime factorization | 281231 | 21 × 73 × 411 |
| Prime factorization | 28123 | 2 × 7 × 7 × 7 × 41 |
| Divisors count | 2 | 16 |
| Divisors | 1, 28123 | 1, 2, 7, 14, 41, 49, 82, 98, 287, 343, 574, 686, 2009, 4018, 14063, 28126 |
| Number of properties | 4 | 0 |
| Happy primes | 495th | |
| Isolated primes | 2174th | |
| Lucky primes | 479th | |
| Primes | 3069th | |
| Roman numberals | ||
| Base 2 | 1101101110110112 | 1101101110111102 |
| Base 3 | 11021201213 | 11021202013 |
| Base 4 | 123131234 | 123131324 |
| Base 5 | 13444435 | 14000015 |
| Base 6 | 3341116 | 3341146 |
| Base 7 | 1446647 | 1450007 |
| Base 8 | 667338 | 667368 |
| Base 9 | 425179 | 425219 |
| Base 10 | 2812310 | 2812610 |
| Base 11 | 1a14711 | 1a14a11 |
| Base 12 | 1433712 | 1433a12 |
| Base 13 | ca5413 | ca5713 |
| Base 14 | a36b14 | a37014 |
| Base 15 | 84ed15 | 850115 |
| Base 16 | 6ddb16 | 6dde16 |