512 (number)

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← 511 512 513 →
Cardinal five hundred twelve
Ordinal 512th
(five hundred twelfth)
Factorization 29
Greek numeral ΦΙΒ´
Roman numeral DXII
Binary 10000000002
Ternary 2002223
Quaternary 200004
Quinary 40225
Senary 22126
Octal 10008
Duodecimal 36812
Hexadecimal 20016
Vigesimal 15C20
Base 36 E836

512 (five hundred [and] twelve) is the natural number following 511 and preceding 513.

512 is a power of two: 29 (2 to the 9th power) and the cube of 8: 83.

It is the eleventh Leyland number.[1]

512 is also the third Dudeney number.

Special use in computers[edit]

512 bytes is a common disk sector size, and exactly a half of kibibyte.

Internet Relay Chat restricts the size of a message to 510 bytes, which fits to 512-bytes buffers when coupled with the message-separating CRLF sequence.[2]

512 = 2·256 is the highest number of glyphs, which VGA character generator can use simultaneously.

In music[edit]

Lamb of God recorded the song titled "512" for their 2015 album VII: Sturm und Drang.


  1. ^ "Sloane's A076980 : Leyland numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-02. 
  2. ^ RFC 1459, section 2.3