8 is a composite number and the first number which is neither prime nor semiprime. By Mihăilescu's Theorem, it is the only nonzero perfect power that is one less than another …

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a : an 8-oared racing boat or its crew b : an 8-cylinder engine or automobile eight adjective eight pronoun, plural in construction

Dec 9, 2025 · A West Arabic numeral, ultimately from Indic numerals (compare Devanagari ८ (8)). See 8 § Evolution of the Arabic digit for more.

Algebra in the Real World Solving Word Problems Translating real-world situations into algebraic expressions or equations allows us to solve problems efficiently. Example: Problem: A movie …

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"Section 8" is common U.S. slang for "crazy," based on the U.S. military's Section 8 discharge for mentally unfit personnel. In China, "8" is used in chat speak as a term for parting.