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  1. 18 (number) - Wikipedia

    In most countries, 18 is the age of majority, in which a minor becomes a legal adult. It is also the voting age, marriageable age, drinking age and smoking age in most countries, though …

  2. Math Calculators

    This is a free online math calculator together with a variety of other free math calculators that compute standard deviation, percentage, fractions, and more.

  3. 18 (Number)

    Properties of 18: prime decomposition, primality test, divisors, arithmetic properties, and conversion in binary, octal, hexadecimal, etc.

  4. Number 18 facts

    '18 til I Die ', in Spanish '18 until dying' is a rock song written by Bryan Adams and Robert John 'Mutt' Lange. The song's musical style and production were heavily inspired by rock from the …

  5. 18 power Table - MYMATHTABLES.COM

    Tick the box, to convert exponential result into number.

  6. Number 18 - Curious Math Facts and Interesting Properties

    Explore the curious properties of number 18, an even composite number composed of two distinct primes. Includes mathematical info, prime factorization, divisors, bases and much more!

  7. Properties of the number 18 - numberempire.com

    Properties of the number 18: factors, prime check, fibonacci check, bell number check, binary, octal, hexadecimal representations and more.

  8. About The Number 18 - Numeraly

    Explore the fascinating world of the number 18! Discover its meanings, facts, significance in math, science, religion, angel numbers, and its role in arts and literature.

  9. 18 Definition & Meaning - Merriam-Webster

    The meaning of EIGHTEEN is a number that is one more than seventeen.

  10. The number eighteen - Britannica

    Nov 28, 2025 · In Norse mythology Haldan has 18 sons and Odin knows 18 things. The number is sacred to the Sufi mystics who were known in the West as the whirling dervishes, and…