Explore the fascinating world of the number 18! 18 (eighteen) is the natural number following 17 and preceding 19. It is a largely composite number, [2] as it has 6 divisors and no smaller number has more than 6 divisors. · some facts about the number 18 are that it is the only positive number that is equal to the sum of the digits multiplied by two, it is the atomic number of argon and there are 18 holes on most golf courses. Mathematical info, prime factorization, fun facts and numerical data for stem, education and fun. Join the web’s most supportive community of creators and get high-quality tools for hosting, sharing, and streaming videos in gorgeous hd with no ads. 18 in roman numerals and images. In norse mythology haldan has 18 sons and odin knows 18 things. Discover its meanings, facts, significance in math, science, religion, angel numbers, and its role in arts and literature. Prime decomposition, primality test, divisors, arithmetic properties, and conversion in binary, octal, hexadecimal, etc. How is 18 spell, written in words, interesting facts, mathematics, computer science, numerology, codes. Your guide to the number 18, an even composite number composed of two distinct primes. The meaning of the number 18: Properties of 18: The meaning of eighteen is a number that is one more than seventeen. 18 is a semiperfect number [1] and an abundant number. Because 18 is twice 9, it has some significance by association with 9. There are 18 one-sided pentominoes. The number is sacred to the sufi mystics who were known in the west as the whirling dervishes, and… The number 18 is also the age at which united states citizens are legally allowed to vote. The number 18 is considered a lucky number in many cultures, including chinese, … · in numerology, the number 18 is associated with new beginnings, abundance, and success. It is an even composite number.