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Bookmark or Share- 18 (number) - WikipediaEighteen is the tenth composite number, its divisors being 1, 2, 3, 6 and 9. Three of these divisors (3, 6 and 9) add up to 18, hence 18 is a semiperfect number. [1] Eighteen is the first inverted square-prime of the form p · q2. In base ten, it is a Harshad number.
- The number eighteen | number | BritannicaAlso known as: 18, eighteen. Learn about this topic in these articles: number symbolism. In number symbolism: 18. Because 18 is twice 9, it has some significance by association with 9. 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…
- EIGHTEEN | English meaning - Cambridge DictionaryA1. the number 18: You are allowed to vote at eighteen (= when you are 18 years old) The table was set for eighteen people. Fewer examples. He was drafted into the army at eighteen. War was declared at eighteen hundred/18.00 hours . The product of six and three is eighteen. The couple eventually wed after an eighteen year engagement.
- EIGHTEEN definition and meaning | Collins English Dictionaryeighteen in British English. (ˈeɪˈtiːn) noun. 1. the cardinal number that is the sum of ten and eight and the product of two and nine. See also number (sense 1) 2. a numeral, 18, XVIII, etc, representing this number.
- Eighteen Definition & Meaning - Merriam-WebsterThe meaning of EIGHTEEN is a number that is one more than seventeen.
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