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arXiv:1209.3729 [math.NT]AbstractReferencesReviewsResources

Some new inequalities for primes

Zhi-Wei Sun

Published 2012-09-17, updated 2012-09-19Version 3

For n=1,2,3,... let p_n be the n-th prime. We mainly show that p_n>n+sum_{k=1}^n p_k/k for all n>124, and sum_{k=1}^n kp_k<n^2p_n/3 for all n>30.

Comments: 6 pages. Make Theorem 1.2 general
Categories: math.NT
Subjects: 11A41, 11B75
Keywords: inequalities
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