We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
  1. Recursive Digit Sum
  2. Discussions

Recursive Digit Sum

  • hank_ring
     + 0 comments
    def superDigit(n, k):
    return (sum(map(int, list(n))) * k) % 9 or 9