In Mathematics
69105 is the third 23036-gonal number and the fifth 6912-gonal number. It is also the 17th 510-gonal and the 15th 660-gonal number.
As of September 2011, the only OEIS reference to 69105 is (sequence A097830 in OEIS), "Partial sums of Chebyshev sequence S(n, 16)," with 69105 corresponding to n = 4.
Read more about this topic: 69105 (number)
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