A page of the Numeropedia - the Special Encyclopedia of Numbers
[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.