1949

This number is a prime.

+ East Germany was established officially as the German Democratic Republic in the emirp year of 1949. [Luhn]

+ According to the 2000 Wisden, the prime year 1949 had the most dry days (96 out of 123) of any English summer during the 20th century. [Benney]

+ The first year in which the number of member states in the United Nations was prime (namely fifty-nine). [Post]

+ The year in which Erdős and Selberg independently gave several "elementary proofs" (i.e., based on number-theoretic methods free of complex analysis) of the celebrated Prime Number Theorem. [Beedassy]

+ Xerox Corporation's Model A xerographic copier was released in 1949. [Merickel]

+ The Lee County Tobacco Festival was established in 1949. It is the longest running tobacco festival in the state of Virginia. [Marshalene]

+ 1949 and its automorphic 19999999994444999999999 are primes. [Rivera]

+ The year recreational mathematician D. R. Kaprekar devised a process now known as Kaprekar's routine. [Nishiyama]

+ 1949 is the largest emirp that can appear on a 24-hour digital clock (00:00 up to 23:59). [Gupta]

+ The Soviet Union tested its first atomic bomb in 1949. [Milt]

+ The program to build the USS United States was canceled in 1949. [Truman]

+ The term "supervolcano" was first used in a volcanic context in 1949. [Bridgeman]

+ The North Atlantic Treaty Organization (NATO) was created in 1949. [Surles]

(There are 2 curios for this number that have not yet been approved by an editor.)

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