Unsolved Problems in Number Theory

Unsolved Problems in Number Theory may refer to:

Unsolved problems in mathematics in the field of number theory.
A book with this title by Richard K. Guy published by Springer Verlag:
- First edition 1981, 161 pages, ISBN 0-387-90593-6
- Second edition 1994, 285 pages, ISBN 0-387-94289-0
- Third edition 2004, 438 pages, ISBN 0-387-20860-7

Books with a similar title include:

Solved and Unsolved Problems in Number Theory, by Daniel Shanks
- First edition, 1962
- Second edition, 1978
- Third edition, 1985, ISBN 0-8284-1297-9
- Fourth edition, 1993

Old and New Unsolved Problems in Plane Geometry and Number Theory, by Victor Klee and Stan Wagon, 1991, ISBN 0-88385-315-9.

This disambiguation page lists mathematics articles associated with the same title.
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