Compare 28751 vs 28761
| Property | 28751 | 28761 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 287511 | 31 × 95871 |
| Prime factorization | 28751 | 3 × 9587 |
| Divisors count | 2 | 4 |
| Divisors | 1, 28751 | 1, 3, 9587, 28761 |
| Number of properties | 5 | 1 |
| Additive primes | 1430th | |
| Chen primes | 1515th | |
| Primes | 3131st | |
| Semiprimes | 7153rd | |
| Sophie germain primes | 431st | |
| Twin primes (1st member) | 458th | |
| Roman numberals | ||
| Base 2 | 1110000010011112 | 1110000010110012 |
| Base 3 | 11101022123 | 11101100203 |
| Base 4 | 130010334 | 130011214 |
| Base 5 | 14100015 | 14100215 |
| Base 6 | 3410356 | 3410536 |
| Base 7 | 1465527 | 1465657 |
| Base 8 | 701178 | 701318 |
| Base 9 | 433859 | 434069 |
| Base 10 | 2875110 | 2876110 |
| Base 11 | 1a66811 | 1a67711 |
| Base 12 | 1477b12 | 1478912 |
| Base 13 | 1011813 | 1012513 |
| Base 14 | a69914 | a6a514 |
| Base 15 | 87bb15 | 87c615 |
| Base 16 | 704f16 | 705916 |