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

In mathematics

512 is a power of two: 29 (2 to the 9th power) and the cube of 8: 83. It is the eleventh Leyland number. It is also the third Dudeney number. It is a self number in base 12. It is a harshad number in decimal. It is the cube of the sum of its digits in base 10. It is the number of directed graphs on 3 labeled nodes.

In computing

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

In music

Selena Quintanilla released a song titled El Chico del Apartamento 512 (the title referring to area code 512, which serves Austin, Texas ), in 1995. Lamb of God recorded a song titled "512" for their 2015 album VII: Sturm und Drang. The song was named after the cell number in the Pankrác Prison Randy Blythe was in during his manslaughter case. Mora and Jhay Cortez recorded a song titled "512" (The number 512 in this song refers to the Percocet 512 pill, a white, round pill whose active substances are acetaminophen and oxycodone hydrochloride) in February of 2021.

In popular culture

512 is a recurring number in the 2022 videogame Signalis. In the 2022 videogame Who's Lila?, there is a prominent song named "Forest of 512 Sycamores".