Lychrel number
plural of arrest
plural of Caitlin
(mathematics) A natural number that cannot form a palindrome through the iterative process of repeatedly reversing its digits and adding the resulting numbers.
An allotrope of carbon, consisting of planes of carbon atoms arranged in hexagonal arrays with the planes stacked loosely, that is used as a dry lubricant, in lead pencils, and as a moderator in ...
lead
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DiQt(ディクト)
無料
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