Symbol  Format  Data 

ℤ  Code Point 
U+2124 
TeX 
\mathbb{Z} 

SVG 
The set of integers symbol (ℤ) is used in math to denote the set of integers. The symbol appears as the Latin Capital Letter Z symbol presented in a doublestruck typeface. Typically, the symbol is used in an expression like this:
The capital Latin letter Z is used in mathematics to represent the set of integers. Usually, the letter is presented with a "doublestruck" typeface to indicate that it is the set of integers.
Set of natural numbers.
The set of rational numbers is denoted with the Latin Capital letter Q presented in a doublestruck typeface.
The set of real numbers symbol is a Latin capital R presented in doublestruck typeface.
The set of complex numbers is represented by the Latin capital letter C. The symbol is often presented with a doublestruck font face just as with other number sets. The set of complex numbers extends the real numbers.