Magic number

Magic number may refer to:

• Magic number (chemistry), number of atoms or molecules forming an exceptionally stable cluster
• Magic number (sports), a number that indicates how close a team is to winning a season title
• Magic number (oil), the price per barrel of oil at which an oil exporting nation runs a deficit
• Magic number (physics), the number of nucleons that results in complete atomic-nuclear shells
• Magic number (programming), originally the UNIX way of recognizing file types
• Magic Numbers (TV series)
• Magic Number (game), a pricing game on The Price is Right
• "Magic Number" (Maaya Sakamoto song)
• "The Magic Number", a 1990 song by De La Soul from 3 Feet High and Rising
• The Magic Numbers, a British rock band

See also

• "The Magical Number Seven, Plus or Minus Two", a 1956 paper by George Miller
• "Three Is a Magic Number", a song by Bob Dorough from the Schoolhouse Rock! educational film series
• Magic constant, the sum in a magic square