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Permutation Generator

Generate all possible permutations from a list of items.

Input Items

Quick Examples

Permutations ( total)

Showing of permutations

Statistics

Total Items

Permutation Length

Total Permutations

Generation Time

How It Works

Permutations Formula:

Without repetition: P(n,r) = n! / (n-r)!
With repetition: P(n,r) = n^r

Key Concepts:

  • Order matters in permutations (ABC ≠ BAC)
  • Without repetition: each item can only be used once
  • With repetition: items can be repeated in arrangements
  • Length determines how many items per arrangement

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Build v1.0.0.154154 • Aug 14, 2025, 02:49 AM EDT

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v1.0.0.154154