Compare 28201 vs 28209
| Property | 28201 | 28209 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 282011 | 31 × 94031 |
| Prime factorization | 28201 | 3 × 9403 |
| Divisors count | 2 | 4 |
| Divisors | 1, 28201 | 1, 3, 9403, 28209 |
| Number of properties | 4 | 1 |
| Additive primes | 1406th | |
| Isolated primes | 2177th | |
| Primes | 3074th | |
| Pythagorean primes | 1530th | |
| Semiprimes | 7035th | |
| Roman numberals | ||
| Base 2 | 1101110001010012 | 1101110001100012 |
| Base 3 | 11022001113 | 11022002103 |
| Base 4 | 123202214 | 123203014 |
| Base 5 | 14003015 | 14003145 |
| Base 6 | 3343216 | 3343336 |
| Base 7 | 1451357 | 1451467 |
| Base 8 | 670518 | 670618 |
| Base 9 | 426149 | 426239 |
| Base 10 | 2820110 | 2820910 |
| Base 11 | 1a20811 | 1a21511 |
| Base 12 | 143a112 | 143a912 |
| Base 13 | cab413 | cabc13 |
| Base 14 | a3c514 | a3cd14 |
| Base 15 | 855115 | 855915 |
| Base 16 | 6e2916 | 6e3116 |