Compare 28123 vs 28789
| Property | 28123 | 28789 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 281231 | 287891 |
| Prime factorization | 28123 | 28789 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28123 | 1, 28789 |
| Number of properties | 4 | 6 |
| Cousin primes (1st member) | 456th | |
| Happy primes | 495th | 507th |
| Harmonic primes | 1172nd | |
| Isolated primes | 2174th | 2220th |
| Lucky primes | 479th | |
| Primes | 3069th | 3135th |
| Pythagorean primes | 1558th | |
| Roman numberals | ||
| Base 2 | 1101101110110112 | 1110000011101012 |
| Base 3 | 11021201213 | 11101110213 |
| Base 4 | 123131234 | 130013114 |
| Base 5 | 13444435 | 14101245 |
| Base 6 | 3341116 | 3411416 |
| Base 7 | 1446647 | 1466357 |
| Base 8 | 667338 | 701658 |
| Base 9 | 425179 | 434379 |
| Base 10 | 2812310 | 2878910 |
| Base 11 | 1a14711 | 1a6a211 |
| Base 12 | 1433712 | 147b112 |
| Base 13 | ca5413 | 1014713 |
| Base 14 | a36b14 | a6c514 |
| Base 15 | 84ed15 | 87e415 |
| Base 16 | 6ddb16 | 707516 |