Integers ( Z {\displaystyle \mathbb {Z} } , Zahlen, bahasa Jerman dari "bilangan" )
Z = { . . . , − 3 , − 2 , − 1 , 0 , 1 , 2 , 3 , . . . } {\displaystyle \mathbb {Z} =\lbrace ...,-3,-2,-1,0,1,2,3,...\rbrace }
