Compare 28643 vs 28729
| Property | 28643 | 28729 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 286431 | 287291 |
| Prime factorization | 28643 | 28729 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28643 | 1, 28729 |
| Number of properties | 10 | 5 |
| Additive primes | 1424th | |
| Happy primes | 504th | |
| Harmonic primes | 1165th | |
| Isolated primes | 2208th | 2217th |
| Primes | 3119th | 3130th |
| Pythagorean primes | 1556th | |
| Safe primes | 255th | |
| Sexy primes (1st member) | 917th | |
| Sexy primes (2nd member) | 921st | |
| Sophie germain primes | 430th | |
| Super primes | 444th | |
| Ulam primes | 237th | 238th |
| Roman numberals | ||
| Base 2 | 1101111111000112 | 1110000001110012 |
| Base 3 | 11100212123 | 11101020013 |
| Base 4 | 123332034 | 130003214 |
| Base 5 | 14040335 | 14044045 |
| Base 6 | 3403356 | 3410016 |
| Base 7 | 1463367 | 1465217 |
| Base 8 | 677438 | 700718 |
| Base 9 | 432559 | 433619 |
| Base 10 | 2864310 | 2872910 |
| Base 11 | 1a57a11 | 1a64811 |
| Base 12 | 146ab12 | 1476112 |
| Base 13 | 1006413 | 100cc13 |
| Base 14 | a61d14 | a68114 |
| Base 15 | 874815 | 87a415 |
| Base 16 | 6fe316 | 703916 |