Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class I. Words Expressing Abstract Relations
Section V. Number
1. Number, in the Abstract

# 84. Number.

NOUN:NUMBER, symbol, numeral, figure, cipher, digit, integer; counter; round number; formula; function; series.
sum, difference, complement, subtrahend; product, total, aggregate; multiplicand, multiplier, multiplicator; coefficient, multiple; dividend, divisor, factor, quotient, submultiple, fraction; mixed number; numerator, denominator; decimal, circulating decimal, repetend; common measure, aliquot part; reciprocal; prime number; totient; quota, quotum [rare].
figurate numbers, pyramidal numbers, polygonal numbers.
permutation, combination, variation; election.
RATIO, proportion; progression; arithmetical progression, geometrical progression, harmonical progression; percentage.
POWER, root, radix, exponent, index, logarithm, antilogarithm; modulus.
differential, integral, fluxion, fluent.
ADJECTIVE:NUMERAL, complementary, divisible, aliquot, reciprocal, prime, fractional, decimal, figurate, incommensurable.
proportional, exponential, logarithmic, logometric, differential, fluxional, integral, totitive.
positive, negative; rational, irrational; surd, radical, real, imaginary, impossible.