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The Dozenal Society of America
The DSA is a voluntary, nonprofit education corporation, organized for the conduct of research and education of the public in the use of dozenal (also called duodecimal or base-twelve) in calculations, mathematics, weights and measures, and other branches of pure and applied science.

Analysis of Multiplication Tables

Title: Analysis of Multiplication Tables
Author: Michael deVlieger
Year: 11E7
Subject: Comparing the traits of various bases' multiplication tables.

The optimum number base may be more or less attributable to a number’s prime factorization. The behavior of a number base’s digits, from periodicity in the multiplication table to regularity in fractions, is governed by the number-theoretical relationships of each digit to the base.