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  2. Hexadecimal - Wikipedia

    en.wikipedia.org/wiki/Hexadecimal

    Hexadecimal (also known as base-16 or simply hex) is a positional numeral system that represents numbers using a radix (base) of sixteen. Unlike the decimal system representing numbers using ten symbols, hexadecimal uses sixteen distinct symbols, most often the symbols "0"–"9" to represent values 0 to 9 and "A"–"F" to represent values from ten to fifteen.

  3. Numeral system - Wikipedia

    en.wikipedia.org/wiki/Numeral_system

    In general, if b is the base, one writes a number in the numeral system of base b by expressing it in the form a n b n + a n − 1 b n − 1 + a n − 2 b n − 2 + ... + a 0 b 0 and writing the enumerated digits a n a n − 1 a n − 2... a 0 in descending order. The digits are natural numbers between 0 and b − 1, inclusive.

  4. Wa (unit) - Wikipedia

    en.wikipedia.org/wiki/Wa_(unit)

    Wa (Thai: วา, also waa or wah, abbreviated ว. ) is a unit of length , equal to two metres (2 m) or four sok ( ศอก .) Wa as a verb means to outstretch (one's) arms to both sides, which relates to the fathom 's distance between the fingertips of a man 's outstretched arms.

  5. Complex number - Wikipedia

    en.wikipedia.org/wiki/Complex_number

    A complex number can be visually represented as a pair of numbers (a, b) forming a vector on a diagram called an Argand diagram, representing the complex plane. Re is the real axis, Im is the imaginary axis, and i is the "imaginary unit", that satisfies i 2 = −1.

  6. Harshad number - Wikipedia

    en.wikipedia.org/wiki/Harshad_number

    The number 18 is a harshad number in base 10, because the sum of the digits 1 and 8 is 9, and 18 is divisible by 9.; The Hardy–Ramanujan number (1729) is a harshad number in base 10, since it is divisible by 19, the sum of its digits (1729 = 19 × 91).

  7. Binary number - Wikipedia

    en.wikipedia.org/wiki/Binary_number

    The base-2 numeral system is a positional notation with a radix of 2.Each digit is referred to as a bit, or binary digit.Because of its straightforward implementation in digital electronic circuitry using logic gates, the binary system is used by almost all modern computers and computer-based devices, as a preferred system of use, over various other human techniques of communication, because ...

  8. Highway 1 (Western Australia) - Wikipedia

    en.wikipedia.org/wiki/Highway_1_(Western_Australia)

    In Western Australia, Highway 1 is a 5,305-kilometre (3,296 mi) long [1] route around the state, from the South Australian border near Eucla to the Northern Territory border near Kununurra. Highway 1 continues around the rest of Australia, joining all mainland state capitals, and connecting major centres in Tasmania .

  9. State highways in Washington - Wikipedia

    en.wikipedia.org/wiki/State_highways_in_Washington

    [1] [2] WSDOT has also defined some spurs that mainly serve to provide full access between intersecting routes. [ a ] Although most state highways as defined by law are open to traffic, State Route 109 dead-ends at Taholah , State Route 501 has a gap in the middle, and State Routes 35 , 168 , 230 , 276 , and most of SR 171 , 213 , and 704 ...