Erdős problem 913Are there infinitely many nn such that if n(n+1)=∏ipiki n(n + 1) = \prod_i p_i^{k_i} is the factorisation into distinct primes then all exponents kik_i are distinct?WorkspaceContinue locallyOpen sourceSign in to contributeOpen this exact Problem, source revision, and authority Repository in Workbench. This handoff does not clone, switch, upload, or execute anything.FilesErdős problem 9134 retained source recordsCanvaspublic previewSource#913→ResultNone→Checks0