Wednesday, April 23, 2014

8940

8940 = 2 x 2 x 3 x 5 x 149.

8940 is 3388 in base 14.

8940 is a number n such that n + 1, 2n + 1, and n2 + 1 are primes (A236692).

8940 is the number of subsets of {1, 2, . . ., 38} containing 38 and having less than or equal to nine pairwise coprime elements (A186993).

8940 is the number of arrays of squares of integers, symmetric under 90-degree rotation, with all rows summing to 2 (A156411).


Source: OEIS

No comments:

Post a Comment