Number Types & ClassificationArithmetic & Numbers › Number Types & ClassificationTypes of numbers: integers, rationals, reals, primes, composites, and number classification systemsAll Terms (22)Aleph NullCardinal NumbersComposite NumberDigitEven NumberIntegersIrrational NumbersNatural NumbersNegative NumberNonnegativeNonzeroNumber LineOdd NumberOrdinal NumbersPerfect NumberPositive NumberPrime NumberRational NumbersReal NumbersTwin PrimesWhole NumbersZeroMore in Arithmetic & NumbersArithmetic Operations & Exponents17Fractions & Decimals12Factors, Multiples & Divisibility8Measurement, Estimation & Notation25