Compare 28081 vs 28181
| Property | 28081 | 28181 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 280811 | 281811 |
| Prime factorization | 28081 | 28181 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28081 | 1, 28181 |
| Number of properties | 7 | 5 |
| Additive primes | 1403rd | |
| Chen primes | 1493rd | |
| Happy primes | 493rd | |
| Harmonic primes | 1147th | |
| Isolated primes | 2172nd | |
| Primes | 3063rd | 3072nd |
| Pythagorean primes | 1526th | 1529th |
| Sexy primes (1st member) | 905th | |
| Twin primes (1st member) | 449th | |
| Ulam primes | 234th | |
| Roman numberals | ||
| Base 2 | 1101101101100012 | 1101110000101012 |
| Base 3 | 11021120013 | 11021222023 |
| Base 4 | 123123014 | 123201114 |
| Base 5 | 13443115 | 14002115 |
| Base 6 | 3340016 | 3342456 |
| Base 7 | 1446047 | 1451067 |
| Base 8 | 666618 | 670258 |
| Base 9 | 424619 | 425829 |
| Base 10 | 2808110 | 2818110 |
| Base 11 | 1a10911 | 1a19a11 |
| Base 12 | 1430112 | 1438512 |
| Base 13 | ca2113 | ca9a13 |
| Base 14 | a33b14 | a3ad14 |
| Base 15 | 84c115 | 853b15 |
| Base 16 | 6db116 | 6e1516 |