3 days agoΒ Β· Tenth century β€œWest Arabic” variation of the Nepali form of Hindu-Arabic numerals (compare Devanagari script ΰ₯§ (1, β€œΓ©ka”)), possibly influenced by Roman numeral β… , both ultimately. Your guide to the number 1, an odd number which is uniquely neither prime nor composite. Mathematical info, prime factorization, fun facts and numerical data for STEM, education and fun.

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