Compare 228909 vs 228913
| Property | 228909 | 228913 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 763031 | 2289131 |
| Prime factorization | 3 × 76303 | 228913 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 76303, 228909 | 1, 228913 |
| Number of properties | 1 | 3 |
| Harmonic primes | 7660th | |
| Primes | 20342nd | |
| Semiprimes | 51422nd | |
| Twin primes (2nd member) | 2411th | |
| Roman numberals | ||
| Base 2 | 1101111110001011012 | 1101111110001100012 |
| Base 3 | 1021220000103 | 1021220000213 |
| Base 4 | 3133202314 | 3133203014 |
| Base 5 | 243111145 | 243111235 |
| Base 6 | 45234336 | 45234416 |
| Base 7 | 16422427 | 16422467 |
| Base 8 | 6770558 | 6770618 |
| Base 9 | 3780039 | 3780079 |
| Base 10 | 22890910 | 22891310 |
| Base 11 | 146a8a11 | 146a9311 |
| Base 12 | b057912 | b058112 |
| Base 13 | 8026513 | 8026913 |
| Base 14 | 5d5c914 | 5d5cd14 |
| Base 15 | 47c5915 | 47c5d15 |
| Base 16 | 37e2d16 | 37e3116 |