256 - Byte Value Count
256 is the number of distinct values in one byte.
Why this number matters
It shows up everywhere in computing, from color channels to memory ranges.
Background / history
As digital systems standardized on 8-bit units, 256 became foundational.
Simple example
An 8-bit value ranges from 0 to 255, which is 256 total possibilities.
Key Facts
- Core value in computing
- Also 4⁴ and 16²
Fun fact
256 = 2⁸, a pure power of two.