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Highly Cototient Number
Definition
An integer n>1 is said to be highly cototient if the equation
x - ϕ(x) = n
has more solutions than the equations x - ϕ(x) = k for all 1
Related terms
An integer n>1 is said to be highly cototient if the equation
x - ϕ(x) = n
has more solutions than the equations x - ϕ(x) = k for all 1