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Word of the Day – Wednesday, June 1st |
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SEIS (sayz) Six
in Spanish
Six is the second smallest composite number, its proper divisors being 1, 2 and 3.
Six is the only number that is both the sum and the product of three consecutive positive numbers.
6 similar coins can be arranged around a central coin of the same radius so that each coin makes contact with the central one (and touches both its neighbors without a gap), but seven cannot be so arranged. This makes 6 the answer to the two-dimensional kissing number problem. The densest sphere packing of the plane is obtained by extending this pattern to the hexagonal lattice in which each circle touches just six others.
On the seven-segment displays of calculators and watches, 6 is usually written with six segments. Some historical calculator models use just five segments for the 6, by omitting the top horizontal bar. This glyph variant has not caught on; for calculators that can display results in hexadecimal, a 6 that looks like a 'b' is not practical.
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "6_(number)".
RUE (424) 64 Tu+ >1
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