Erdős problem 18Conjecture 1. Are there infinitely many practical numbers mm such that h(m)<(loglogm)O(1)h(m) < (\log \log m)^{O(1)}?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 1812 retained source recordsCanvaspublic previewSource#18→ResultNone→Checks0