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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Oct 29, 2025 · Simple online calculator with memory functions similar to a basic handheld calculator. Free simple calculator for adding, subtracting, multiplying, dividing.

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Number 8 in maths is a whole number that comes after 7 and before 9. It is an even number because it can be divided by 2. In numeral form, it is written as 8 and spelled as 'eight'.

"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.

Feb 5, 2026 · Explore the hidden properties of 8, an even number composed of a one prime number multiplied by itself three times. Includes Prime Factorization, Divisors, Bases and Fun Facts for …

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.