Moser L. An Introduction to the Theory of Numbers

West Lafayette: The Trillia Group, 2004. — 95 p. — ISBN: 1-931705-01-1These lectures are intended as an introduction to the elementary theory of numbers.Compositions and Partitions
Arithmetic Functions
Distribution of Primes
Irrational Numbers
Congruences
Diophantine Equations
Combinatorial Number Theory
Geometry of Numbers
Classical Unsolved Problems
Miscellaneous Problems
Unsolved Problems and Conjectures