A synonym for integer. The word "rational" is sometimes used for emphasis to distinguish it from other types of "integers" such as cyclotomic integers, Eisenstein integers, Gaussian integers, and Hamiltonian integers.
Rational Integer
See also
Cyclotomic Integer, Eisenstein Integer, Gaussian Integer, Hamiltonian Integer, Integer, Rational Number, Rational PolynomialExplore with Wolfram|Alpha
References
Hardy, G. H. and Wright, E. M. An Introduction to the Theory of Numbers, 5th ed. Oxford, England: Clarendon Press, p. 1, 1979.Referenced on Wolfram|Alpha
Rational IntegerCite this as:
Weisstein, Eric W. "Rational Integer." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/RationalInteger.html