Compare 28081 vs 28151
| Property | 28081 | 28151 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 280811 | 281511 |
| Prime factorization | 28081 | 28151 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28081 | 1, 28151 |
| Number of properties | 7 | 5 |
| Additive primes | 1403rd | 1405th |
| Chen primes | 1492nd | |
| Happy primes | 493rd | |
| Harmonic primes | 1145th | |
| Isolated primes | 2172nd | 2175th |
| Primes | 3063rd | 3070th |
| Pythagorean primes | 1526th | |
| Sexy primes (1st member) | 905th | |
| Ulam primes | 234th | |
| Roman numberals | ||
| Base 2 | 1101101101100012 | 1101101111101112 |
| Base 3 | 11021120013 | 11021211223 |
| Base 4 | 123123014 | 123133134 |
| Base 5 | 13443115 | 14001015 |
| Base 6 | 3340016 | 3341556 |
| Base 7 | 1446047 | 1450347 |
| Base 8 | 666618 | 667678 |
| Base 9 | 424619 | 425489 |
| Base 10 | 2808110 | 2815110 |
| Base 11 | 1a10911 | 1a17211 |
| Base 12 | 1430112 | 1435b12 |
| Base 13 | ca2113 | ca7613 |
| Base 14 | a33b14 | a38b14 |
| Base 15 | 84c115 | 851b15 |
| Base 16 | 6db116 | 6df716 |