21 Very Important Facts about Twenty-one

Hello, I am new around here. I like making lists and playing twenty-one. First I'll talk about my name @twenty1. I chose this name because it is my favorite number. I think it is special. Here are 21 very famous facts about why I like twenty-one

1. Twenty-one is the name of a card game that is also called blackjack. The object is to get a twenty-one.
2. There is a basketball game called twenty-one where you try to get 21 points.
3. Twenty-one is the Arabic numeral 21 or the Roman numeral XXI
4. 21 is the whole number between twenty and twenty-two.
5. It is divisible by 3 and 7 and it is a multiple of 3 and 7 so its only factors are primes.
6. The numbers 7 and 3 are often said to be lucky. Twenty-one is seven 3s or three 7s.
7. Twenty-one is the legal drinking age in many US states and other countries, too.
8. Twenty-One Pilots is the name of a musical duo from America, but I don't like them but I like their name.
9. Prince Philip, Nancy Regan, and John Glen are some famous people born in 1921. Also, Albert Einstein won the Nobel Prize for Physics this year.
10. In 1821, Loiuis Vuitton was born, Florida became part of USA and Napoleon Bonaparte died.
11. The 21st president of the United States was Chester A. Arthur. This was a trivia question in Die Hard With a Vengence
12. The 21st letter of the alphabet is U.
13. 21 is a Fibonacci number (8, 13, 21) a triangular number, the sum of its first 6 numbers (1+2+3+4+5+6)
14. The 21st amendment to the US Constitution repealed Prohibition of alcohol.
15. There are 64 different ways to get 21 with 2 cards in the card game 21.
16. There are 21 dots on a 6 sided dice.
17. The element scandium has an atomic number of 21
18. Some famous sports stars with 21 on their shirts were Roberto Clemente (MLB), Tim Duncan (NBA) and Roger Clemens (MLB)
19. There are 21 amino-acids
20. There are 21 chapters in the book of John and Judges in the bible
21. If you double 21 you get 42 which is apparently the meaning of life according to Hitchhikers guide to the galaxy.

I hope you didn't find this list too boring. I hope to bring more lists. Also, all my lists have different lengths, so don't be surprised if they don't always have 21 items.