Thursday, November 3, 2011

559

559 = 13 x 43.


559 is 202201 in base 3 and 20233 in base 4.

559 is the sum of five consecutive primes and seven consecutive primes: 559 = 103 + 107 + 109 + 113 + 127 = 67 + 71 + 73 + 79 + 83 + 89 + 97.

The German submarine U-559 sank in the Mediterranean Sea in 1942, but not before British sailors managed to recover key cryptographic material from the vessel.

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