Compare 28181 vs 28751
| Property | 28181 | 28751 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 281811 | 287511 |
| Prime factorization | 28181 | 28751 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28181 | 1, 28751 |
| Number of properties | 5 | 5 |
| Additive primes | 1430th | |
| Chen primes | 1493rd | 1515th |
| Harmonic primes | 1147th | |
| Primes | 3072nd | 3131st |
| Pythagorean primes | 1529th | |
| Sophie germain primes | 431st | |
| Twin primes (1st member) | 449th | 458th |
| Roman numberals | ||
| Base 2 | 1101110000101012 | 1110000010011112 |
| Base 3 | 11021222023 | 11101022123 |
| Base 4 | 123201114 | 130010334 |
| Base 5 | 14002115 | 14100015 |
| Base 6 | 3342456 | 3410356 |
| Base 7 | 1451067 | 1465527 |
| Base 8 | 670258 | 701178 |
| Base 9 | 425829 | 433859 |
| Base 10 | 2818110 | 2875110 |
| Base 11 | 1a19a11 | 1a66811 |
| Base 12 | 1438512 | 1477b12 |
| Base 13 | ca9a13 | 1011813 |
| Base 14 | a3ad14 | a69914 |
| Base 15 | 853b15 | 87bb15 |
| Base 16 | 6e1516 | 704f16 |