They do not form a field and the cardinality of this class of numbers is the same as the rationals.
Diophantine equations use this type of numbers as variables. They do not form a field and the cardinality of this class of numbers is the same as the rationals. These are symbolized by a Z. Natural numbers are a subset of these which are not negative. Sometimes the phrase whole numbers is used to describe them. For 10 points, name this type of number that when represented as reals have only zeros after the decimal point, examples of which include negative 17, 0, and 3.
Diophantine equations use this type of numbers as variables.
{integers}