Keith Number Checker

Appears in own digit sequence

All Tools

Loading tool...

About Keith Number Checker

A Keith number checker testing if n appears in the sequence starting with its digits, where each subsequent term is the sum of the previous d terms (d = number of digits). Also called repfigit numbers. Shows the full sequence. Client-side.

Keith Number Checker Features

  • Keith check
  • Sequence
  • Step display
  • Search range
  • List
Advertisement
Advertisement