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Digit sum

  • A NEW LARGEST SMITH NUMBER Patrick Costello Department of Mathematics and Statistics, Eastern Kentucky University, Richmond, KY 40475 (Submitted September 2000)

    A NEW LARGEST SMITH NUMBER Patrick Costello Department of Mathematics and Statistics, Eastern Kentucky University, Richmond, KY 40475 (Submitted September 2000)

  • 2019 Practice Mathcounts Solutions

    2019 Practice Mathcounts Solutions

  • Conjecture of Twin Primes (Still Unsolved Problem in Number Theory) an Expository Essay

    Conjecture of Twin Primes (Still Unsolved Problem in Number Theory) an Expository Essay

  • Solutions and Investigations

    Solutions and Investigations

  • Sequences of Numbers Obtained by Digit and Iterative Digit Sums of Sophie Germain Primes and Its Variants

    Sequences of Numbers Obtained by Digit and Iterative Digit Sums of Sophie Germain Primes and Its Variants

  • Problems Archives

    Problems Archives

  • From Vortex Mathematics to Smith Numbers: Demystifying Number Structures and Establishing Sieves Using Digital Root

    From Vortex Mathematics to Smith Numbers: Demystifying Number Structures and Establishing Sieves Using Digital Root

  • Three Topics in Additive Prime Number Theory 3

    Three Topics in Additive Prime Number Theory 3

  • Digit Problems

    Digit Problems

  • MOEMS Dive 2019

    MOEMS Dive 2019

  • Generalized Partitions and New Ideas on Number Theory and Smarandache Sequences

    Generalized Partitions and New Ideas on Number Theory and Smarandache Sequences

  • Arxiv:2001.00578V2 [Math.HO] 3 Aug 2021

    Arxiv:2001.00578V2 [Math.HO] 3 Aug 2021

  • SANTOS Dsantos@Ccp.Edu

    SANTOS [email protected]

  • Paul Yiu, Iterations of Sum of Powers of Digits, Pp.21-26

    Paul Yiu, Iterations of Sum of Powers of Digits, Pp.21-26

  • Prime Numbers Demystified by 8-Dimensional Algorithms

    Prime Numbers Demystified by 8-Dimensional Algorithms

  • Uniform Distribution Theory 10 (2015), No.1, 63–68 Distribution Theory

    Uniform Distribution Theory 10 (2015), No.1, 63–68 Distribution Theory

  • From Vedic Square to the Digital Root ‘Clockworks’ of Modulo 90 Factorization

    From Vedic Square to the Digital Root ‘Clockworks’ of Modulo 90 Factorization

  • Positive Numbers Divisible by Their Iterative Digit Sum Revisited

    Positive Numbers Divisible by Their Iterative Digit Sum Revisited

Top View
  • Number Gossip About 10 Years Ago and at first I Uploaded It on My Personal Website [6]
  • Problem Solving and Recreational Mathematics
  • Number Theory for Mathematical Contests
  • A Remark on Primality Testing and Decimal Expansions
  • 1 Star Problems
  • Remarks on a Sequence of Minimal Niven Numbers
  • Fibonacci & Other Integer Sequences – Mod 9 by Anthony Morris
  • Digit and Iterative Digit Sum of Fibonacci Numbers, Their Identities and Powers
  • Acta Mathematica Universitatis Ostraviensis
  • Complete Book of Number System
  • Products of Binomial Coefficients and Unreduced Farey Fractions
  • Sample of Solutions Pages
  • Boldly Going - Climbing Project Euler
  • The Eleven Set Contents
  • Learning Progressions
  • Multiples of Repunits As Sum of Powers of Ten
  • Variants of Base 3 Over 2 Arxiv:1901.09818V1 [Math.NT] 24
  • Datasets on the Statistical Properties of the First 3000 Squared Positive


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