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 …

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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.

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Aug 1, 2025 · Mixed numbers calculator to add, subtract, multiply and divide mixed numbers (mixed fractions), fractions and integers. Do math with mixed numbers and mixed fractions such as 1 1/2 or …

Square Root of a value or expression. Returns the largest (closest to positive infinity) value that is not greater than the argument and is equal to a mathematical integer. Returns the smallest (closest to …

What are the properties of number 8? This visualization shows the relative proportions of its 1 prime factors (outer circle), plus the relationship between these and its 4 divisors.

The number 8 can be divided by 4 positive divisors (out of which 3 are even, and one is odd). The sum of these divisors (counting 8) is 15, the average is 3.75.

Dec 9, 2025 · Used in the formation of several text messaging slang forms of words with /eɪt/ in them, due to it being the pronunciation of eight in English. See also h8, m8, gr8.

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