Thursday, May 21, 2009

990

990 = 2 x 32 x 5 x 11.

990 is a triangular number, the sum of the first 44 positive integers.

990 is the product of three consecutive integers: 9 x 10 x 11 = 990.

990 is the sum of six consecutive primes: 151 + 157 + 163 + 167 + 173 + 179 = 990.

A prime magic square with magic sum 990:


Composed of distinct primes, it is both pandiagonal and symmetrical.



990 is the best possible VantageScore credit rating.

Source: Prime Curios!

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