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Challenges Q&A Sandbox Meta

Posts by trichoplax‭

102 posts
Score Age
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Challenges Multiplicative perfection

Given a positive integer, indicate whether it is the product of its proper divisors. Integers equal to the product of their proper divisors can be found on the Online Encyclopedia of Integer Seque...

4 answers  ·  posted 4mo ago by trichoplax‭  ·  last activity 4mo ago by celtschk‭

Question code-golf math number decision-problem
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Sandbox Expand a greyscale/colour hex code [FINALIZED]

posted 6d ago by trichoplax‭  ·  edited 4d ago by trichoplax‭

Article code-golf string finalized