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Automorphic Number

code/mathematical_algorithms/src/automorphic_numbers/README.md

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Automorphic Number

In mathematics an automorphic number (sometimes referred to as a circular number) is a number whose square "ends" in the same digits as the number itself. For example,

  • 5<sup>2</sup> = 25
  • 6<sup>2</sup> = 36
  • 76<sup>2</sup> = 5776
  • 376<sup>2</sup> = 141376
  • 890625<sup>2</sup> = 793212890625

So 5, 6, 76, 376 and 890625 are automorphic numbers.


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