Thursday, February 7, 2013

2374

2374 = 2 x 1187.

2374 is the number of primes of the form 2k + 1 less than 105 (A001161).

2374 is a number that is not the sum of a triangular number, a square, and a fourth power (A115159).

2374 is the number of unit square lattice cells inside half-plane (two adjacent quadrants) of an origin-centered circle of diameter 79 (A136515).

2374 is the number of sums S of distinct positive integers satisfying S less than or equal to 31 (A026906).


Source: On-Line Encyclopedia of Integer Sequences

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