Compare 28031 vs 28081
| Property | 28031 | 28081 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 280311 | 280811 |
| Prime factorization | 28031 | 28081 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28031 | 1, 28081 |
| Number of properties | 3 | 7 |
| Additive primes | 1403rd | |
| Cousin primes (2nd member) | 448th | |
| Happy primes | 493rd | |
| Isolated primes | 2168th | 2172nd |
| Primes | 3059th | 3063rd |
| Pythagorean primes | 1526th | |
| Sexy primes (1st member) | 905th | |
| Ulam primes | 234th | |
| Roman numberals | ||
| Base 2 | 1101101011111112 | 1101101101100012 |
| Base 3 | 11021100123 | 11021120013 |
| Base 4 | 123113334 | 123123014 |
| Base 5 | 13441115 | 13443115 |
| Base 6 | 3334356 | 3340016 |
| Base 7 | 1445037 | 1446047 |
| Base 8 | 665778 | 666618 |
| Base 9 | 424059 | 424619 |
| Base 10 | 2803110 | 2808110 |
| Base 11 | 1a07311 | 1a10911 |
| Base 12 | 1427b12 | 1430112 |
| Base 13 | c9b313 | ca2113 |
| Base 14 | a30314 | a33b14 |
| Base 15 | 848b15 | 84c115 |
| Base 16 | 6d7f16 | 6db116 |