2315 = 5 x 463.
2315 divides 213 - 1.
2315 = 27 + 37 (A007689). It is the sum of the seventh powers of two consecutive primes (A133538).
2315 is a centered cube number (A036085).
2315 is a number n such that n, n + 2, n + 4, n + 6, and n + 8 are semiprimes (A092127).
2315 is the sum of five nonzero 6th powers (A003361).
Source: On-Line Encyclopedia of Integer Sequences
No comments:
Post a Comment