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One pikol (or one pecul) was equal to 61.761 3025 kg by its legal definition. [2] Some other units and their legal equivalents are given below: 1 thail = 1 ⁄ 1600 pikol 1 catti = 1 ⁄ 100 pikol 1 kabi = 1 ⁄ 100 pikol 1 kulack = 0.0725 pikol 1 amat = 2 pikol 1 small bahar = 3 pikol 1 large bahar = 4.5 pikol 1 timbang = 5 pikol
A picul / ˈ p ɪ k əl /, [1] dan [2] or tam, [3] is a traditional Asian unit of weight, defined as "as much as a man can carry on a shoulder-pole". [1] Historically, it was defined as equivalent to 100 or 120 catties, depending on time and region. The picul is most commonly used in southern China and Maritime Southeast Asia.
Pillku Urqu (Quechua pillku red, urqu mountain), [2] also known as Pikul, Piqul (possibly a corruption of pillku, Hispanicized spellings Piccol, Picol, also Pikol, Piqol) or Wayna Piqul (Quechua wayna young, Hispanicized Huaynapicol, Huaynapiccol, also Wayna Piqol), is a 4,448-metre-high (14,593 ft) mountain in the Andes of Peru, near the city of Cusco.
1 km 2 means one square kilometre, or the area of a square of 1000 m by 1000 m. In other words, an area of 1 000 000 square metres and not 1000 square metres. 2 Mm 3 means two cubic megametres, or the volume of two cubes of 1 000 000 m by 1 000 000 m by 1 000 000 m, i.e. 2 × 10 18 m 3, and not 2 000 000 cubic metres (2 × 10 6 m 3).
Graphs of y = b x for various bases b: base 10, base e, base 2, base 1 / 2 . Each curve passes through the point (0, 1) because any nonzero number raised to the power of 0 is 1. At x = 1, the value of y equals the base because any number raised to the power of 1 is the number itself.
The exact modern koku is calculated to be 180.39 litres, 100 times the capacity of a modern shō. [11] [d] This modern koku is essentially defined to be the same as the koku from the Edo period (1600–1868), [e] namely 100 times the shō equal to 64827 cubic bu in the traditional shakkanhō measuring system.
In mathematics, the prime-counting function is the function counting the number of prime numbers less than or equal to some real number x. [1] [2] It is denoted by π(x) (unrelated to the number π). A symmetric variant seen sometimes is π 0 (x), which is equal to π(x) − 1 ⁄ 2 if x is exactly a prime number, and equal to π(x) otherwise.
One may show by induction that F(n) counts the number of ways that a n × 1 strip of squares may be covered by 2 × 1 and 1 × 1 tiles. On the other hand, if such a tiling uses exactly k of the 2 × 1 tiles, then it uses n − 2k of the 1 × 1 tiles, and so uses n − k tiles total.