Friday, August 27, 2010

393

393 = 3 x 131.

1000393 - 393 is a prime number. It is the second and largest known number with this property.

393 is the seventh central trinomial coefficient.

393 is 12021 in base 4. It is 3033 in base 5 and 1101 in base 7.

393 is a number n such that n, n + 1, and n + 2 are each products of two primes: 394 = 2 x 197 and 395 = 5 x 79.

Camie 393 is an adhesive formulated for creating strong bonds resistant to high temperatures.

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