Wednesday, June 30, 2010


437 = 19 x 23. It is the product of two successive primes.

437 is a brilliant number. It is a semiprime (product of two primes) whose prime factors have the same number of decimal digits.

437 has a cube with the last three digits the same as the three digits before that: 83453453.

437 is 3222 in base 5 and 233 in base 14.

The digit 1 can be found at the 437th position in the decimal expansion of pi.

Cosmonaut Valeri Polyakov spent 437 days aboard the space station Mir in 1994-5, the longest time spent by a human in outer space.

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