Compare 28691 vs 28697
| Property | 28691 | 28697 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 131 × 22071 | 286971 |
| Prime factorization | 13 × 2207 | 28697 |
| Divisors count | 4 | 2 |
| Divisors | 1, 13, 2207, 28691 | 1, 28697 |
| Number of properties | 1 | 6 |
| Chen primes | 1513th | |
| Isolated primes | 2213th | |
| Long primes | 1190th | |
| Primes | 3126th | |
| Pythagorean primes | 1555th | |
| Semiprimes | 7139th | |
| Sexy primes (1st member) | 920th | |
| Roman numberals | ||
| Base 2 | 1110000000100112 | 1110000000110012 |
| Base 3 | 11101001223 | 11101002123 |
| Base 4 | 130001034 | 130001214 |
| Base 5 | 14042315 | 14042425 |
| Base 6 | 3404556 | 3405056 |
| Base 7 | 1464357 | 1464447 |
| Base 8 | 700238 | 700318 |
| Base 9 | 433189 | 433259 |
| Base 10 | 2869110 | 2869710 |
| Base 11 | 1a61311 | 1a61911 |
| Base 12 | 1472b12 | 1473512 |
| Base 13 | 100a013 | 100a613 |
| Base 14 | a65514 | a65b14 |
| Base 15 | 877b15 | 878215 |
| Base 16 | 701316 | 701916 |