Number 76

A page of the Numeropedia - the Special Encyclopedia of Numbers

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[Astronomy]  The period (in years) around the Earth of the Halley’s comet. It was last seen in 1986 and its next return is due in 2062. Edmund Halley (English) first discovered it in 1705.

 

[Calendar]  The number of non-leap years in the 17th, 18th, 19th or 21st centuries, following the adoption of the current Gregorian calendar, created by Pope Gregory XIII to reform the old Julian calendar in the 16th century (1582).

 

[Chemistry]  The atomic number of Osmium (Os).

 

[Math.]  76 = 43+32+21+10.

 

[Math.]  The 9th Lucas number.

 

[Math.]  All powers of 76 (or any number ending by 76) end with 76:

762 = 5,776; 763 = 438,976; 764 = 33,362,176…

 

Number 25 is the only other 2-digit number whose all powers (of itself or any number ending by 25) end with 25, in fact, 625. They are called automorphic numbers.

 

[Sport]  Name of a professional basketball team in the National Basketball Association: Philadelphia 76ers.

 

[Sport]  The height (centimeters) of a table tennis (or ping-pong) table.

 

[Tech.]  Name of a chain of gasoline stations in the U.S.: “76”.

 

[Tech.]  The “number system” code of an EAN-13 barcode for Switzerland’s products.

 

[Trivia]  The height (inches) of the tallest U.S. President: Abraham Lincoln. The shortest U.S. President was James Madison: 64 inches.

 

[World]  The ISO country code for Brazil is 076. (ISO-3166).