Encyclopedia > 243 BC

  Article Content

243 BC



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Dirichlet character

... is periodic with period k. χ(n) = 0 for every n with gcd(n,k) > 1 χ(mn) = χ(m)χ(n) for all positive integers m and n χ(1) = 1 Table of ...