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Kari Phillips ©2003

(79) is palindromic and there is symmetry around the 79th digit of (which is 8): 628 620 8 998 628.

The smallest number p such that: (1) p is prime; (2) p reversed is prime; (3) p + 10^120 is prime; (4) (p + 10^120) reversed is prime. (1) & (2) make p an emirp; (3) & (4) make p+10^(5!) an emirp. [Post]

There were 79 unprovoked shark attacks reported around the world in the year 2000, the largest number since the International Shark Attack File began compiling statistics in 1958. [Minon]

79 is the smallest prime whose sum of digits is a fourth power. [Murthy]

2⁷⁹ is the smallest power of 2 which is greater than Avogadro's number (6.0221367*10^23). [Wu]

An Army Air Corps bomber crashed into floor 79 of the Empire State Building on July 28, 1945.

79 = 2⁷ - 7². [La Haye]

For any 3217644767340672907899084554130 consecutive integers, 400440702414394285778534400000 will have 79 as a lowest prime factor. [Schuler]

The smallest prime p such that when multiplied with p-1 (78 * 79 = 6162) the result is a near-tautonymic number, i.e., in this case a concatenation of two successive numbers 61 and 62 in ascending order. Note that the first halve 61 is prime as well. [De Geest]

On page 79 of the novel Contact by Carl Sagan, it says that no astrophysical process is likely to generate prime numbers.

Illinois has stated that one may not ride in the left hand lane for more than a half mile ... potential fine of $79. [Patterson]

The square root of 79 starts with four 8s. [Axoy]

The following poetic quotation contains 79 letters: "When One made love to Zero, spheres embraced their arches and prime numbers caught their breath." Raymond Queneau (French author of the mid-20th century). [Post]

Each of the numbers 1 to 79 gives a larger number when you write out its English name and add the letters using a=1, b=2, c=3, ... (but 80 gives 74). [Hartley]

U.S. President Garfield died 79 days after being shot. [Dowdy]

79 appears in Skewes' number, i.e., e^ee79. A number below which John E. Littlewood proved that (n) becomes greater than or equal to li(n) if we assume the Riemann hypothesis is true.

Amazon Prime^TM (Amazon.com's shipping club) is a 79 dollar per year service that allows you to get free two-day delivery and discounted next-day delivery on in-stock items.

There were 79 broadcasted episodes of the original Star Trek. [McCranie]

10⁷⁹ has been called the "Universe number" because it is considered a reasonable lower limit estimate for the number of atoms in the observable universe.

An emirp and sum of three reversible primes: 79 = 11 + 31 + 37. Curiously, the sum holds for the reversals: 97 = 11 + 13 + 73. [Silva]

Pompeii was buried by the volcanic eruption of Mt. Vesuvius in the year 79 A.D.

In Jules Verne's novel "Around the World in Eighty Days," character Phileas Fogg actually succeeds his world tour trip in 79 days and wins his bet. [Beedassy]

There are 79 connected graphs with 7 edges. [Post]