counting off

number, symbol, numeral, figure, cipher, digit, integer; counter; round number; formula; function; series., sum, difference, complement, subtrahend; product; multiplicand, multiplier, multiplicator; coefficient, multiple; dividend, divisor, factor, quotient, submultiple, fraction; mixed number, complex number, complex conjugate; numerator, denominator; decimal, circulating decimal, repetend; common measure, aliquot part; prime number; reciprocal; totient., permutation, combination, variation; election., ratio, proportion, progression; arithmetical progression, geometrical progression, harmonical progression; percentage., figurate numbers, pyramidal numbers, polygonal numbers., power, root, exponent, index, logarithm, antilogarithm; modulus., differential, integral, fluxion, fluent.