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Zoo of Numbers: Numbers 24 to 69

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From the same authors of the article
Sarcone and Waeber
Curiopticals, ISBN 1847322298
What are you looking at?
What are you looking at, ISBN 1847321836
Eyetricks, ISBN 1844427773
Make your own 3D illusions
Make your own 3D illusions, ISBN 1844426327
Big Book of Optical Illusions
Big Book of Optical Illusions, ISBN 0764135201
New Optical Illusions
New Optical Illusions, ISBN 1844423271
Fantastic Optical Illusions
Fantastic Optical Illusions, ISBN 184442295X
Dazzling Optical Illusions
Puzzillusions, ISBN 1844420647
MateMagica book
MateMagica, ISBN 8889197560
Almanach book
L'Almanach du mathématicien en herbe, ISBN 2844690254

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Fun facts on numbers (and their strange properties), both mathematical and cultural, tantalising problems and anecdotes. The number facts in this website are also available as features for print and electronic publishing.

If you got a distinctive fact about any number listed here you think Archimedes' Lab community might enjoy, why not post it here? italiano Conoscete un numero con delle proprietà originali? Contattateci!
francais Connaissez-vous un nombre avec des propriétés étonnantes? Contactez-nous!

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Encyclopedia of Numbers © G. Sarcone, Archimedes Lab, Genoa, Italy

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