factorial number system
Sign in to savemixed radix numeral system adapted to numbering permutations; represents a number as a×0! + b×1! + c×2! + ⋯
Connections
Donald Knuth
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positional notation
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tally mark
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lexicographical order
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International Standard Book Number
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prime number
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integer
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ancient history
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function
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rational number
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Roman numerals
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Georg Cantor
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mathematical proof
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binary numeral system
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decimal
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numeral system
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hexadecimal
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factorial
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combinatorics
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sequence
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