Compare 28513 vs 28643
| Property | 28513 | 28643 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 285131 | 286431 |
| Prime factorization | 28513 | 28643 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28513 | 1, 28643 |
| Number of properties | 9 | 10 |
| Additive primes | 1415th | 1424th |
| Cousin primes (1st member) | 451st | |
| Happy primes | 501st | 504th |
| Harmonic primes | 1158th | 1165th |
| Isolated primes | 2196th | 2208th |
| Long primes | 1179th | |
| Lucky primes | 483rd | |
| Primes | 3101st | 3119th |
| Pythagorean primes | 1543rd | |
| Safe primes | 255th | |
| Sexy primes (1st member) | 917th | |
| Sophie germain primes | 430th | |
| Super primes | 444th | |
| Ulam primes | 237th | |
| Roman numberals | ||
| Base 2 | 1101111011000012 | 1101111111000112 |
| Base 3 | 11100100013 | 11100212123 |
| Base 4 | 123312014 | 123332034 |
| Base 5 | 14030235 | 14040335 |
| Base 6 | 3400016 | 3403356 |
| Base 7 | 1460627 | 1463367 |
| Base 8 | 675418 | 677438 |
| Base 9 | 431019 | 432559 |
| Base 10 | 2851310 | 2864310 |
| Base 11 | 1a47111 | 1a57a11 |
| Base 12 | 1460112 | 146ab12 |
| Base 13 | cc9413 | 1006413 |
| Base 14 | a56914 | a61d14 |
| Base 15 | 86ad15 | 874815 |
| Base 16 | 6f6116 | 6fe316 |