Number 79

A page of the Numeropedia - the Special Encyclopedia of Numbers

  [70-79]:  70 - 71  - 72 - 73 - 7475 - 76 - 77 - 78 - 79

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[Chem.]  The atomic number of Gold (Au).

 

[Language]  Septuagenarian is a person whose age is 70 to 79 years old.

 

[Math.]  A right-truncatable prime number.

 

[Math.]  An absolute prime number (or permutable prime number): both numbers 79 and 97 are prime or in fact, absolute prime.

 

[Math.]  14141 = 179×79.

 

[Math.]  A sequence of palindromic numbers: 77, 77×78 = 6,006 and 77×78×79 = 474,474.