Tuesday, September 24, 2013

3046

3046 = 2 x 1523.

3046 is the product of two primes whose difference is a perfect square (A143416): 1523 - 2 = 1521 =  392.

3046 is 11611 in base 7 (A043015 and A043400).

3046 is a centered heptagonal number (A069099).

3046 is a number n such that n2 is palidromic in base 3 (122110101011221) (A029984).

3046 is the sum of the first 23 isolated (single or non-twin) primes (A153478).


Source: On-Line Encyclopedia of Integer Sequences

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