Tuesday, September 11, 2012

338

338 = 2 x 13 x 13.

338 is the last integer for which the number of divisors (6) and the sum of its prime factors (2 + 13 + 13 = 28) are both perfect numbers.

338 is 2323 in base 5 and 242 in base 12.

338 has two representations as a sum of two squares: 338 = 72 + 172 = 132 + 132.

338 is a divisor of 994 - 1.

3383 = 38,614,472 = (386 + 1 - 4 - 47 + 2)3.


Source: Prime Curios!

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