Optimal radix choice

Number of digits needed to express a number in a particular base

In mathematics and computer science, optimal radix choice is the problem of choosing the base, or radix, that is best suited for representing numbers. Various proposals have been made to quantify the relative costs of using different radices in representing numbers, especially in computer systems. One formula is the number of digits needed to express it in that base, multiplied by the base. This expression also arises in questions regarding organizational structure, networking, and other fields.

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