Math, Number 21
By Matthew Rinaman
Card Games
In Black Jack, 21 is the highest number you can get without losing.
Century
The current century is the 21st.
Composite Or Prime
21 is composite because it has the factors of 3 and 7.
Digits
The sum of 21's digits equal 3, a cool fact about that means 21 is divisible by 3.
Movies
There is a movie called 21.
NBA Jerseys
In the NBA Dominique Wilkins, Bill Sharman, Dave Bing, Vlade Dirvac, and Kevin Garnett all wore this number on their jersey.
Place
It is between 20 and 22.
Roman Numeral
It's Roman Numeral is XXI.
States
Illinois was the 21st state to joint the U.S.A.
Triangulur Number
21 is a triangular number because 1+2+3+4+5+6=21.