A page of the Numeropedia - the Special Encyclopedia of Numbers
The score of a safety in an American football game.
The score of a successful 2-point conversion after a touchdown in an American football game.
The score of a field goal (basket) made in a basketball game.
In a basketball game, a shooting foul committed will be penalized by two free throws, or 3 free throws if it is from a 3-point shot, but getting possession of the ball or only one extra free throw if the opponent already scored the field goal while fouled. A flagrant foul committed will be penalized by two free throw and lost possession of the ball.
In NBA (National Basketball Association) games, a basketball player is ejected after 6 personal fouls or 2 technical fouls.
The score of a double-bogey made for a hole in a game of golf.
A 2nd place in a competition is a runner-up.
Deuce, derived from the French “a deux du jeu”, means “2 points away from winning a game of tennis or when both opponent players have the score 40.
In a tiebreaker in a set of a tennis match, the first player to serve will have only one serve for the first point and after that they will take turns of serving next two points. The players switch sides of the court after six points are scored.
A 2-minute warning is at the end of each half of an NFL (National Football League) game.
In tennis, 2-point advantage or 2-game advantage is required to win a game or a set.
The jersey numbers most commonly worn by starting defenders in soccer: 2, 3, 4, 5 or 6.
In a soccer game, a player is ejected after penalties of 1 red card or 2 yellow cards (equivalent to 1 red card).
The interval between 2 consecutive winter Olympic Games is 4 years, since the first in 1924 (Chamonix, France) to 1992 (Albertville, France), where they are organized in the same year with summer Games. Starting the 1994 Games (Lillehammer, Norway) winter and summer Games have been alternating for every 2 years.
The weight (ounces) of a tennis ball (between 1.975 to 2.095 ounces).
A “magic” number appearing in the NFL (National Football League) quarterback rating formula: 100×(2.375×4)/6 = 158.33, computing points from 4 categories: percentage of completions (maximum 2.375 if ≥ 77.5%), average yards gained per attempt (maximum 2.375 if ≥ 12.5 yards), percentage of touchdown passes (maximum 2.375 if ≥ 11.875%) and percentage of interceptions (maximum 2.375, minimum 0 if it is ≥ 9.5%). The perfect rating score is 158.33.