Compare 28081 vs 28085
| Property | 28081 | 28085 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 280811 | 51 × 411 × 1371 |
| Prime factorization | 28081 | 5 × 41 × 137 |
| Divisors count | 2 | 8 |
| Divisors | 1, 28081 | 1, 5, 41, 137, 205, 685, 5617, 28085 |
| Number of properties | 7 | 0 |
| Additive primes | 1403rd | |
| Happy primes | 493rd | |
| Isolated primes | 2172nd | |
| Primes | 3063rd | |
| Pythagorean primes | 1526th | |
| Sexy primes (1st member) | 905th | |
| Ulam primes | 234th | |
| Roman numberals | ||
| Base 2 | 1101101101100012 | 1101101101101012 |
| Base 3 | 11021120013 | 11021120123 |
| Base 4 | 123123014 | 123123114 |
| Base 5 | 13443115 | 13443205 |
| Base 6 | 3340016 | 3340056 |
| Base 7 | 1446047 | 1446117 |
| Base 8 | 666618 | 666658 |
| Base 9 | 424619 | 424659 |
| Base 10 | 2808110 | 2808510 |
| Base 11 | 1a10911 | 1a11211 |
| Base 12 | 1430112 | 1430512 |
| Base 13 | ca2113 | ca2513 |
| Base 14 | a33b14 | a34114 |
| Base 15 | 84c115 | 84c515 |
| Base 16 | 6db116 | 6db516 |