Compare 28081 vs 28387
| Property | 28081 | 28387 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 280811 | 283871 |
| Prime factorization | 28081 | 28387 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28081 | 1, 28387 |
| Number of properties | 7 | 6 |
| Additive primes | 1403rd | |
| Chen primes | 1503rd | |
| Good primes | 314th | |
| Happy primes | 493rd | 497th |
| Isolated primes | 2172nd | 2185th |
| Primes | 3063rd | 3088th |
| Pythagorean primes | 1526th | |
| Sexy primes (1st member) | 905th | 908th |
| Ulam primes | 234th | |
| Roman numberals | ||
| Base 2 | 1101101101100012 | 1101110111000112 |
| Base 3 | 11021120013 | 11022211013 |
| Base 4 | 123123014 | 123232034 |
| Base 5 | 13443115 | 14020225 |
| Base 6 | 3340016 | 3352316 |
| Base 7 | 1446047 | 1455227 |
| Base 8 | 666618 | 673438 |
| Base 9 | 424619 | 428419 |
| Base 10 | 2808110 | 2838710 |
| Base 11 | 1a10911 | 1a36711 |
| Base 12 | 1430112 | 1451712 |
| Base 13 | ca2113 | cbc813 |
| Base 14 | a33b14 | a4b914 |
| Base 15 | 84c115 | 862715 |
| Base 16 | 6db116 | 6ee316 |