Antimorph
A number which can be represented both in the form 
and in the form 
. This is onlypossible when the Pell Equation
is solvable. Then
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See also Idoneal Number, Polymorph
References
Beiler, A. H. Recreations in the Theory of Numbers: The Queen of Mathematical Entertains. New York: Dover, 1964.
- Gabriel's Horn
- Gabriel's Staircase
- Gadget
- Gale-Ryser Theorem
- Galilean Transformation
- Gallows
- Gall's Stereographic Projection
- Gallucci's Theorem
- Galois Extension Field
- Galois Field
- Galois Group
- Galoisian
- Galois Imaginary
- Galois's Theorem
- Galois Theory
- Gambler's Ruin
- Game
- Game Expectation
- Game Matrix
- Game of Life
- Game Theory
- Gamma Distribution
- Gamma Function
- Gamma Group
- Gamma-Modular