## What Number Theory is all about?

Number Theory has a simple meaning it is the Theory of Numbers. But why the

## Diophantine Equation and Diophantine Analysis

For an extensive history of Diophantine Equation, don’t forget to visit here. Diophantine equations are

## CMO 2018 Problem 2

Define a function $$f(n)$$ from the positive integers to the positive integers such that $$f((f(n))$$

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