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MathNet 2020 — Math Olympiad Vault — Part 02 Question 107

Math Olympiad Vault · MathNet 2020 — Math Olympiad Vault — Part 02

Question 107

For how many positive integers $n \leq 1000$ does the equation in real numbers
$$
x^{\lfloor x\rfloor}=n
$$
have a positive solution for $x$? (For a real number $x$, $\lfloor x\rfloor$ denotes the largest integer that is not greater than $x$.)