Symbol  Format  Data 

ℕ  Code Point 
U+2115 
TeX 
\natnums 

SVG 
The set of natural numbers symbol (ℕ) is used in math to denote the set of natural numbers: , , , , etc. The symbol appears as the Latin Capital Letter N symbol presented in a doublestruck typeface. Typically, the symbol is used in an expression like this:
The capital Latin letter N is used in mathematics to represent the set of natural numbers. Usually, the letter is presented with a "doublestruck" typeface to indicate that it is the set of natural numbers. Otherwise, N is also used as a variable.
Set of integers symbol.
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.