Compare 28409 vs 28417
| Property | 28409 | 28417 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 284091 | 1571 × 1811 |
| Prime factorization | 28409 | 157 × 181 |
| Divisors count | 2 | 4 |
| Divisors | 1, 28409 | 1, 157, 181, 28417 |
| Number of properties | 6 | 1 |
| Additive primes | 1413th | |
| Chen primes | 1504th | |
| Primes | 3091st | |
| Pythagorean primes | 1538th | |
| Semiprimes | 7088th | |
| Sexy primes (2nd member) | 909th | |
| Twin primes (1st member) | 453rd | |
| Roman numberals | ||
| Base 2 | 1101110111110012 | 1101111000000012 |
| Base 3 | 11022220123 | 11022221113 |
| Base 4 | 123233214 | 123300014 |
| Base 5 | 14021145 | 14021325 |
| Base 6 | 3353056 | 3353216 |
| Base 7 | 1455537 | 1455647 |
| Base 8 | 673718 | 674018 |
| Base 9 | 428659 | 428749 |
| Base 10 | 2840910 | 2841710 |
| Base 11 | 1a38711 | 1a39411 |
| Base 12 | 1453512 | 1454112 |
| Base 13 | cc1413 | cc1c13 |
| Base 14 | a4d314 | a4db14 |
| Base 15 | 863e15 | 864715 |
| Base 16 | 6ef916 | 6f0116 |