Compare 28907 vs 28909
| Property | 28907 | 28909 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 1371 × 2111 | 289091 |
| Prime factorization | 137 × 211 | 28909 |
| Divisors count | 4 | 2 |
| Divisors | 1, 137, 211, 28907 | 1, 28909 |
| Number of properties | 1 | 5 |
| Happy primes | 510th | |
| Isolated primes | 2232nd | |
| Long primes | 1196th | |
| Primes | 3147th | |
| Pythagorean primes | 1564th | |
| Semiprimes | 7190th | |
| Roman numberals | ||
| Base 2 | 1110000111010112 | 1110000111011012 |
| Base 3 | 11101221223 | 11101222013 |
| Base 4 | 130032234 | 130032314 |
| Base 5 | 14111125 | 14111145 |
| Base 6 | 3414556 | 3415016 |
| Base 7 | 1501647 | 1501667 |
| Base 8 | 703538 | 703558 |
| Base 9 | 435789 | 435819 |
| Base 10 | 2890710 | 2890910 |
| Base 11 | 1a79a11 | 1a7a111 |
| Base 12 | 1488b12 | 1489112 |
| Base 13 | 1020813 | 1020a13 |
| Base 14 | a76b14 | a76d14 |
| Base 15 | 887215 | 887415 |
| Base 16 | 70eb16 | 70ed16 |