Compare 28109 vs 28643
| Property | 28109 | 28643 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 281091 | 286431 |
| Prime factorization | 28109 | 28643 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28109 | 1, 28643 |
| Number of properties | 6 | 10 |
| Additive primes | 1424th | |
| Chen primes | 1490th | |
| Happy primes | 504th | |
| Harmonic primes | 1165th | |
| Isolated primes | 2208th | |
| Long primes | 1168th | |
| Primes | 3067th | 3119th |
| Pythagorean primes | 1528th | |
| Safe primes | 255th | |
| Sexy primes (1st member) | 917th | |
| Sophie germain primes | 430th | |
| Super primes | 439th | 444th |
| Twin primes (1st member) | 448th | |
| Ulam primes | 237th | |
| Roman numberals | ||
| Base 2 | 1101101110011012 | 1101111111000112 |
| Base 3 | 11021200023 | 11100212123 |
| Base 4 | 123130314 | 123332034 |
| Base 5 | 13444145 | 14040335 |
| Base 6 | 3340456 | 3403356 |
| Base 7 | 1446447 | 1463367 |
| Base 8 | 667158 | 677438 |
| Base 9 | 425029 | 432559 |
| Base 10 | 2810910 | 2864310 |
| Base 11 | 1a13411 | 1a57a11 |
| Base 12 | 1432512 | 146ab12 |
| Base 13 | ca4313 | 1006413 |
| Base 14 | a35b14 | a61d14 |
| Base 15 | 84de15 | 874815 |
| Base 16 | 6dcd16 | 6fe316 |