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On the divisor function d(n): II
Published online by Cambridge University Press: 26 February 2010
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In 1984 Heath-Brown [2] proved the conjecture of Erdős and Mirsky [1], and obtained the following result.
Theorem. There are infinitely many integers n for which d(n+ 1)= d(n). Indeed, for large x, the number of such n≤x is at least of orderx ln-7x.
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- Copyright © University College London 1999
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