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|Cardinal||sixty-five thousand five hundred thirty-five|
(sixty-five thousand five hundred thirty-fifth)
|Factorization||3 × 5 × 17 × 257|
65535 is the integer after 65534 and before 65536.
65535 is the product of the first four Fermat primes: 65535 = (2 + 1)(4 + 1)(16 + 1)(256 + 1). Because of this property, it is possible to construct with compass and straightedge a regular polygon with 65535 sides. See constructible polygon.
65535 is the 15th 626-gonal number, the 5th 6555-gonal number, and the 3rd 21846-gonal number.
=850*77.1displays as 100000 rather than 65535. Microsoft reports this to be a display-only bug for only 6 floating point numbers near 65535 and 65536. These display issues do not occur in ions of Excel that have been updated to Office 2007 service pack 2.