Published February 25, 2019 | Version v1
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Quadratic-Type Selfie Numbers

  • 1. Formarly, Professor of Mathematics, Federal University of Santa Catarina, Florianópolis, SC, Brazil

Description

By selfie numbers, we understand that the numbers represented by their own digits by use of certain operations, such as, basic operations, factorial, square-root, Fibonacci squence, Triangular numbers, etc. In two variables, the selfie numbers are obtained by use of binomial coefficients,   S-gonal numberscentered polygonal numbers, etc.  Quadratic numbers are particular cases of S-gonal numbers in one variable. This paper brings selfie numbers in terms of quadratic numbers. The work is up to 5 digits numbers. The work is done in digit's order and reverse order of digits.

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