Compare 28123 vs 28181
| Property | 28123 | 28181 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 281231 | 281811 |
| Prime factorization | 28123 | 28181 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28123 | 1, 28181 |
| Number of properties | 4 | 5 |
| Chen primes | 1493rd | |
| Happy primes | 495th | |
| Harmonic primes | 1147th | |
| Isolated primes | 2174th | |
| Lucky primes | 479th | |
| Primes | 3069th | 3072nd |
| Pythagorean primes | 1529th | |
| Twin primes (1st member) | 449th | |
| Roman numberals | ||
| Base 2 | 1101101110110112 | 1101110000101012 |
| Base 3 | 11021201213 | 11021222023 |
| Base 4 | 123131234 | 123201114 |
| Base 5 | 13444435 | 14002115 |
| Base 6 | 3341116 | 3342456 |
| Base 7 | 1446647 | 1451067 |
| Base 8 | 667338 | 670258 |
| Base 9 | 425179 | 425829 |
| Base 10 | 2812310 | 2818110 |
| Base 11 | 1a14711 | 1a19a11 |
| Base 12 | 1433712 | 1438512 |
| Base 13 | ca5413 | ca9a13 |
| Base 14 | a36b14 | a3ad14 |
| Base 15 | 84ed15 | 853b15 |
| Base 16 | 6ddb16 | 6e1516 |