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Properties of the Digital Root and its Extension to Rational Numbers -- an Algebraic Approach. (arXiv:2110.03746v1 [math.NT]) http://arxiv.org/abs/2110.03746
Properties of the Digital Root and its Extension to Rational Numbers -- an Algebraic Approach. (arXiv:2110.03746v1 [math.NT]) http://arxiv.org/abs/2110.03746