18 is a semiperfect number [1] and an abundant number. In the classification of finite simple groups, there are 18 infinite families of groups. [2] Although 18 and σ (18) = 39 are not coprime, 18 is known …

Apr 1, 2026 · Turning 18 makes you a legal adult, but some rights don’t kick in until 21. Here’s what actually changes and what doesn’t.

Apr 7, 2025 · Learn what happens when you turn 18—from voting and budgeting to healthcare, housing, and living on your own. This adulting guide is perfect for teens and young adults transitioning to …

Turning 18? Get ready for adulting. Learn to register to vote, get financial aid, register for selective service, find a job, get a passport, and pay taxes.

Jan 4, 2026 · 18+ (comparative more 18+, superlative most 18+) Suitable only for adults (e.g. adult content or mature audience content); mature, age of majority.

Jul 31, 2025 · This checklist is designed to help parents and teens prepare for the legal, financial, and personal changes that come with turning 18.

Jun 7, 2026 · Most states have codified the age of majority as 18. For example, California Family Code § 6500 states simply, “A minor is an individual who is under 18 years of age. An adult is an individual …

At age 18 or 55, marriage is a legal commitment and should be a decision based on a “want to” and not a “have to”. Marriage is not a solution if you have to get out of your parent’s house, if you have to …

Jun 16, 2025 · A lot changes when your kid turns 18 — legally, financially, and emotionally. From medical privacy to money management, here’s what teens (and their parents!) need to know to …

Synonyms for turning eighteen include coming of age, reaching the age of majority, reaching adulthood, attaining majority, and becoming an adult. Why is turning 18 such a big deal? Why does 18 mean …