Compare 28163 vs 28181
| Property | 28163 | 28181 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 281631 | 281811 |
| Prime factorization | 28163 | 28181 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28163 | 1, 28181 |
| Number of properties | 4 | 5 |
| Chen primes | 1493rd | |
| Harmonic primes | 1146th | 1147th |
| Isolated primes | 2176th | |
| Primes | 3071st | 3072nd |
| Pythagorean primes | 1529th | |
| Safe primes | 250th | |
| Twin primes (1st member) | 449th | |
| Roman numberals | ||
| Base 2 | 1101110000000112 | 1101110000101012 |
| Base 3 | 11021220023 | 11021222023 |
| Base 4 | 123200034 | 123201114 |
| Base 5 | 14001235 | 14002115 |
| Base 6 | 3342156 | 3342456 |
| Base 7 | 1450527 | 1451067 |
| Base 8 | 670038 | 670258 |
| Base 9 | 425629 | 425829 |
| Base 10 | 2816310 | 2818110 |
| Base 11 | 1a18311 | 1a19a11 |
| Base 12 | 1436b12 | 1438512 |
| Base 13 | ca8513 | ca9a13 |
| Base 14 | a39914 | a3ad14 |
| Base 15 | 852815 | 853b15 |
| Base 16 | 6e0316 | 6e1516 |