Absolute number may refer to:
Quantity, a property that can exist as a multitude or magnitude
Mathematics Absolute value, the non-negative value of a real number without regard to its sign Absolute error, the absolute value of an approximation error in some data Absolute difference, the absolute value of the difference of two real numbers Absolute pseudoprime, a class of pseudoprimes that come from Fermat's little theorem Absolute scale, system of measurement that begins at a zero point and progresses in only one direction
See also Absolute zero, the lowest limit of the thermodynamic temperature scale Absolute magnitude, a measure of the luminosity of a celestial object Relative change and difference, used to compare two quantities taking into account the "sizes" of the things being compared Absolute (disambiguation) Number (disambiguation)