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
Famous quotes containing the words magic and/or number:
“The Prospero of poisons, the Faustus of the front,
bringing mental magic to modern armament.”
—Tony Harrison (b. 1953)
“One may confidently assert that when thirty thousand men fight a pitched battle against an equal number of troops, there are about twenty thousand on each side with the pox.”
—Voltaire [François Marie Arouet] (1694–1778)