hexadecimal
adjective
hexa·dec·i·mal ˌhek-sə-ˈdes-məl 
-ˈde-sə-
: of, relating to, or being a number system with a base of 16
hexadecimal noun
Example Sentences
Recent Examples on the Web Answer Man is innumerate in all major numbering systems — Roman, Arabic, hexadecimal — and not so hot in Latin, either. 
Washington Post, 4 Dec. 2021 The screenshots are other blocks of hexadecimal numbers. Casey Tolan, Curt Devine And Drew Griffin, CNN, 5 Aug. 2021 First, verify a series of transactions on the blockchain and, second, correctly guess a random 64-digit hexadecimal number, called a hash. Eamon Barrett, Fortune, 16 May 2021 Then, a few months later, new Bergsonist EPs began appearing on Bandcamp nearly every Friday, each with its own six-character alphanumeric title, the hexadecimal color code of each recording’s thumbnail cover image. Washington Post, 23 Dec. 2020 Rather than send voters home with a binder full of hexadecimal gibberish, the computer would print the ciphertext as something much smaller: a hash code, much like how a URL is shortened into a Bit.ly. Benjamin Wofford, Wired, 15 Sep. 2020 These are 128-bit numbers, expressed in hexadecimal strings—for instance, 2001:0db8:582:ae33::29. Courtney Linder, Popular Mechanics, 27 June 2020 Currently, a block's hash needs at least around 18 zeros (in its hexadecimal representation) to be accepted by the network—which translates to around 1022 trials to find a valid block. Timothy B. Lee, Ars Technica, 9 July 2019 But all the games included hexadecimal-encoded clues and were based on the same hardware. Sean Gallagher, Ars Technica, 14 Aug. 2018 See More
Washington Post, 4 Dec. 2021 The screenshots are other blocks of hexadecimal numbers. Casey Tolan, Curt Devine And Drew Griffin, CNN, 5 Aug. 2021 First, verify a series of transactions on the blockchain and, second, correctly guess a random 64-digit hexadecimal number, called a hash. Eamon Barrett, Fortune, 16 May 2021 Then, a few months later, new Bergsonist EPs began appearing on Bandcamp nearly every Friday, each with its own six-character alphanumeric title, the hexadecimal color code of each recording’s thumbnail cover image. Washington Post, 23 Dec. 2020 Rather than send voters home with a binder full of hexadecimal gibberish, the computer would print the ciphertext as something much smaller: a hash code, much like how a URL is shortened into a Bit.ly. Benjamin Wofford, Wired, 15 Sep. 2020 These are 128-bit numbers, expressed in hexadecimal strings—for instance, 2001:0db8:582:ae33::29. Courtney Linder, Popular Mechanics, 27 June 2020 Currently, a block's hash needs at least around 18 zeros (in its hexadecimal representation) to be accepted by the network—which translates to around 1022 trials to find a valid block. Timothy B. Lee, Ars Technica, 9 July 2019 But all the games included hexadecimal-encoded clues and were based on the same hardware. Sean Gallagher, Ars Technica, 14 Aug. 2018 See More Word History
First Known Use
1954, in the meaning defined above