{ "id": "1904.10274", "version": "v1", "published": "2019-04-23T12:30:07.000Z", "updated": "2019-04-23T12:30:07.000Z", "title": "Two Irrational Numbers That Give the Last Non-Zero Digits of $n!$ and $n^n$", "authors": [ "Gregory Dresden" ], "journal": "Mathematics Magazine, volume 74 (October 2001) pages 316-320", "categories": [ "math.NT" ], "abstract": "If we form a decimal where the nth digit is the last non-zero digit of $n!$ (likewise, the last non-zero digit of $n^n$), we obtain an irrational number", "revisions": [ { "version": "v1", "updated": "2019-04-23T12:30:07.000Z" } ], "analyses": { "subjects": [ "11B83" ], "keywords": [ "non-zero digit", "irrational number" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }