Nathaniel Sloan's List: Numbers

• uses the digits 0 to 7
• the speakers count using the spaces between their fingers rather than the fingers themselves
• The Alterans from Stargate SG-1 used octal
• Octal is sometimes used in computing instead of hexadecimal
• in conjunction with file permissions under Unix systems
• (each octal digit covering three binary digits)
• All modern computing platforms, however, use 16-, 32-, or 64-bit words, with eight bits making up a byte
• The prefix or suffix customarily used to represent an octal number is "o" (i.e. o73)
• binary and hexadecimal are represented by 'b' and 'h' or 'x' respectively

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• numeric values using two symbols, usually 0 and 1.
• ancient Indian writer Pingala
• first known description of a binary numeral system
• The modern binary number system was fully documented by Gottfried Leibniz
• George Boole published a landmark paper detailing an algebraic system of logic that would become known as Boolean algebra.

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• simplest numeral system
• (a tally mark)
• Unary is most useful in counting or tallying ongoing results
• typically clustered in groups of five for legibility
• the unary system is inconvenient
• occurs in some decision problem descriptions in theoretical computer science

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