number theory
branch of pure mathematics devoted primarily to the study of the integers
additive number theory
study of subsets of integers and behavior under addition
Williams number
class of numbers in number theory
multiplicative number theory
analytic theory dealing with prime numbers and divisors
analytic number theory
exploring properties of the integers with complex analysis
computational number theory
study of algorithms for performing number theoretic computations
geometry of numbers
mathematical theory of convex bodies in integer lattices