number-theoretic function

number-theoretic function

[¦nəm·bər ‚thē·ə¦red·ik ′fəŋk·shən]
(mathematics)
A function whose domain is the set of positive integers.
References in periodicals archive ?
Articles are grouped in sections on arithmetic, primes, irrationality and continued fractions, sums of squares and polygonal numbers, Fibonacci numbers, number-theoretic functions, and elliptic curves, cubes, and Fermat's last theorem.
Now we define two new number-theoretic functions U(n) and V (n) as following,
From the point of view of classical mathematics, there are uncountably many sets of natural numbers and uncountably many number-theoretic functions.