Compare 28279 vs 28643
| Property | 28279 | 28643 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 282791 | 286431 |
| Prime factorization | 28279 | 28643 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28279 | 1, 28643 |
| Number of properties | 5 | 10 |
| Additive primes | 1424th | |
| Cousin primes (1st member) | 449th | |
| Happy primes | 504th | |
| Harmonic primes | 1165th | |
| Isolated primes | 2208th | |
| Primes | 3079th | 3119th |
| Prime triplets (2nd member) | 220th | |
| Safe primes | 255th | |
| Sexy primes (1st member) | 917th | |
| Sophie germain primes | 430th | |
| Super primes | 440th | 444th |
| Twin primes (2nd member) | 450th | |
| Ulam primes | 237th | |
| Roman numberals | ||
| Base 2 | 1101110011101112 | 1101111111000112 |
| Base 3 | 11022101013 | 11100212123 |
| Base 4 | 123213134 | 123332034 |
| Base 5 | 14011045 | 14040335 |
| Base 6 | 3345316 | 3403356 |
| Base 7 | 1453067 | 1463367 |
| Base 8 | 671678 | 677438 |
| Base 9 | 427119 | 432559 |
| Base 10 | 2827910 | 2864310 |
| Base 11 | 1a27911 | 1a57a11 |
| Base 12 | 1444712 | 146ab12 |
| Base 13 | cb4413 | 1006413 |
| Base 14 | a43d14 | a61d14 |
| Base 15 | 85a415 | 874815 |
| Base 16 | 6e7716 | 6fe316 |