
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 …
The number eighteen - Britannica
Nov 28, 2025 · Other articles where the number eighteen is discussed: number symbolism: 18: Because 18 is twice 9, it has some significance by association with 9. In Norse mythology …
18 Definition & Meaning - Merriam-Webster
The meaning of EIGHTEEN is a number that is one more than seventeen.
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!
Eighteen Fun Facts About The Number 18 - The Fact Site
Aug 18, 2020 · At the age of 18, you are also considered a legal adult in most countries and are fully responsible for your actions past this point. Yet another cool fact about turning 18 is that …
18 (Number)
The number 18 can be divided by 6 positive divisors (out of which 3 are even, and 3 are odd). The sum of these divisors (counting 18) is 39, the average is 6.5.
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.
Why Is 18 the Legal Age of Adulthood? - LegalClarity
Aug 20, 2025 · While 18 is the age of adulthood for many purposes, the minimum legal drinking age remains 21 in all states. This higher age was largely established due to the National …
18 (number) Facts for Kids
What is the Number 18? The number 18 is a natural number, meaning it's a counting number like 1, 2, 3, and so on. It's a positive number. In Roman numerals, the number 18 is written as …
What Are Some Facts About the Number 18? - Reference.com
May 19, 2025 · 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 …