Weird Number Checker

Abundant but not semiperfect

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About Weird Number Checker

A weird number checker testing if n is abundant (σ(n) > 2n) but not semiperfect (no subset of proper divisors sums to n). Weird numbers are rare: 70, 836, 4030, 5830... Shows divisors, abundance, and subset sum analysis. Client-side.

Weird Number Checker Features

  • Weird check
  • Abundance
  • Subset sum
  • Divisors
  • Sequence

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