It is Z from the German for "to count". The counting, or natural numbers are denoted by N.
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A fancy bold capital Z. It stands for the German word Zahlen meaning "numbers."
It is a dash (-) before the absolute value of the integer.
z
The symbol is Z from the German word for integers, zahl.
71 is, itself an integer but to find a difference you require 3 numbers.71 is, itself an integer but to find a difference you require 3 numbers.71 is, itself an integer but to find a difference you require 3 numbers.71 is, itself an integer but to find a difference you require 3 numbers.