Compare 28078 vs 28081
| Property | 28078 | 28081 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 1011 × 1391 | 280811 |
| Prime factorization | 2 × 101 × 139 | 28081 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 101, 139, 202, 278, 14039, 28078 | 1, 28081 |
| Number of properties | 0 | 7 |
| 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 | 1101101101011102 | 1101101101100012 |
| Base 3 | 11021112213 | 11021120013 |
| Base 4 | 123122324 | 123123014 |
| Base 5 | 13443035 | 13443115 |
| Base 6 | 3335546 | 3340016 |
| Base 7 | 1446017 | 1446047 |
| Base 8 | 666568 | 666618 |
| Base 9 | 424579 | 424619 |
| Base 10 | 2807810 | 2808110 |
| Base 11 | 1a10611 | 1a10911 |
| Base 12 | 142ba12 | 1430112 |
| Base 13 | ca1b13 | ca2113 |
| Base 14 | a33814 | a33b14 |
| Base 15 | 84bd15 | 84c115 |
| Base 16 | 6dae16 | 6db116 |