Thursday, April 10, 2014

5137

5137 = 11 x 467.

5137 is a semiprime whose digit reversal is a pentagonal number (A115708).

5137 is 1010000010001 in base 2 (binary) and 1100101 in base 4. 5137 is 21001021 in base 3 and 12021 in base 8.

5137 is the number of 4-bead necklaces labeled with numbers -19 . . . 19 allowing reversal, with sum zero with no three beads in row equal (A209345).

5137 is the sum of four distinct powers of 4 (A038472).


Source: OEIS

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