8 - Wikipedia 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 perfect power 8 is the first proper Leyland number of the form xy + yx, where in its case x and y both equal 2 [4] 8 is a Fibonacci number and the only nontrivial Fibonacci number that is a perfect cube [5] Sphenic
8 (number) - New World Encyclopedia "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
Number 8 - Facts about the integer - Numbermatics Your guide to the number 8, an even composite number It is composed of one prime number multiplied by itself two times Mathematical info, prime factorization, fun facts and numerical data for STEM, education and fun
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