hexadecimals

Digits including letters

Hexadecimals refers to numbers in base-16 notation, which uses digits 0-9 plus letters A-F to represent values.

Programmers and computer scientists use hexadecimals to express binary data more compactly—a color code like #FF5733 or a memory address like 0x7FFF.

The error log showed the crash location in hexadecimals.

computing

binary

Consisting of two parts

assembly · memory address · pointer · register · buffer · dump · firmware · low-level · debugging · disassembly

notation

digits

Single-place numerals

conversion · decimal · octal · binary · counting · place value · representation · encoding · ASCII · character set

cryptography

hash

Chopped mixture, cooked together

  • checksumError-detecting calculated value
  • MD5Cryptographic fingerprint algorithm
  • SHACryptographic digest algorithm

encryption · key · certificate · fingerprint · signature · blockchain · Bitcoin · Ethereum · token · obfuscation

color

RGB

Additive color model

web design · swatch · palette · hue · gradient · transparency · alpha channel · Photoshop · color code · brand colors

Opposites
numeral base systems

hexadecimalsbinary

Consisting of two parts

decimals · octal · duodecimal · ternary · quaternary

human readability vs machine efficiency

hexadecimalsdecimals

Numbers between whole values

plain text · natural numbers · Arabic numerals

Family

hexadecimal

Familiarity
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Used worldwide · Timeless · Rated G