Thursday, March 11, 2010

535

535 = 5 x 107

5, 3, and 5 are the eighth, ninth, and tenth decimal digits of pi.

535 is a number that cannot be written as a sum of three squares.

535535 + (535 - 1) is a prime number.

535 is the smallest palindrome such that its cube can be written as a sum of three prime cubes: 5353 = 3493 + 3793 + 3833.

The Indonesian volcano Krakatoa erupted in the year 535.

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