65535 (number)

← 65534

65535

← 0 [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]]

Cardinal

sixty-five thousand five hundred thirty-five

Ordinal

65535th
(sixty-five thousand five hundred thirty-fifth)

3 × 5 × 17 × 257

16 total

LXVDXXXV

1111111111111111₂

10022220020₃

33333333₄

4044120₅

1223223₆

177777₈

31B13₁₂

FFFF₁₆

83GF₂₀

1EKF₃₆

65535 is the integer after 65534 and before 65536.

In mathematics

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, the 3rd 21846-gonal number.

In computing

65535 occurs frequently in the field of computing because it is the highest number which can be represented by an unsigned 16-bit binary number. Some computer programming environments may have predefined constant values representing 65535, with names like MAX_UNSIGNED_SHORT.
In older computers with processors having a 16-bit address bus (such as the MOS Technology 6502 and the Zilog Z80), 65535 (FFFF₁₆) is the highest addressable memory location. Such processors thus support at most 64 KiB of total byte-addressable memory.
In Internet protocols, 65535 is also the number of TCP and UDP ports available for use, since port 0 is reserved.
A Java class or interface can have at most 65535 methods. The code of a constructor in Java is limited to 65535 bytes.
The JavaScript (AKA ECMAScript) method .charCodeAt() will return a number which corresponds with the index of the passed parameter with a maximum possible value of 65535.
In some implementations of Tiny BASIC, entering a command that divides any number by zero will return 65535.
In an unpatched version of Microsoft Excel 2007, many mathematical computations evaluating to 65535 will display incorrectly. For example, =850*77.1 displays as 100000 rather than 65535. Microsoft reports^[1] this to be a display-only bug for only 6 floating point numbers near 65535 and 65536. These display issues do not occur in editions of Excel that have been updated to Office 2007 service pack 2.
In Microsoft Word 2011 for Mac, 65535 is the highest line number that will be displayed.
In Numbers for Mac, 65535 is the maximum number of rows.

References

↑ Microsoft Excel: Calculation Issue Update Archived 2007-10-06 at the Wayback Machine.

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65535 (number)

In mathematics

In computing

See also

References