Kaprekar Routine Calculator

Descending − Ascending → 6174

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About Kaprekar Routine Calculator

A Kaprekar routine calculator applying the Kaprekar mapping: arrange digits descending − ascending. For 4-digit numbers, always reaches 6174 (Kaprekar's constant) within 7 steps. Shows full iteration path and generalizes to other digit counts. Client-side.

Kaprekar Routine Calculator Features

  • Iteration path
  • 6174 constant
  • Step count
  • Any digit count
  • Cycle detection
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