{"id":6963,"date":"2019-07-10T20:33:33","date_gmt":"2019-07-11T00:33:33","guid":{"rendered":"http:\/\/www.decisionsciencenews.com\/?p=6963"},"modified":"2019-07-27T20:56:58","modified_gmt":"2019-07-28T00:56:58","slug":"we-cant-tell-you-why-you-would-want-to-memorize-e-to-15-places-but-we-can-tell-you-how","status":"publish","type":"post","link":"https:\/\/www.decisionsciencenews.com\/?p=6963","title":{"rendered":"We can&#8217;t tell you why you would want to memorize e to 15 places, but we can tell you how"},"content":{"rendered":"<p>MEMORIZE e TO 15 PLACES<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/www.decisionsciencenews.com\/wp-content\/uploads\/2019\/07\/e.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6964\" src=\"http:\/\/www.decisionsciencenews.com\/wp-content\/uploads\/2019\/07\/e.png\" alt=\"\" width=\"291\" height=\"263\" \/><\/a><\/p>\n<p>We recently asked a large group of people the question<\/p>\n<blockquote><p>In the number <em>e<\/em>, how many places to the right of the decimal does the string &#8216;1828459045&#8217; first occur?<\/p><\/blockquote>\n<p>Many people replied &#8220;two&#8221;, which is wrong, but indicates that many people know that e is equal to<\/p>\n<p>2.71828<span style=\"font-size: xx-small;\">something<\/span><\/p>\n<p>Assuming you, dear reader, know that much of <em>e<\/em>, you can memorize <strong>an extra 10 digits<\/strong> by exploiting the following coincidence:<\/p>\n<p>After 2.71828 comes <strong>another<\/strong> 1828 followed by 45 90 45, which is easy to remember as the angles in an isosceles right triangle.<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/www.decisionsciencenews.com\/wp-content\/uploads\/2019\/07\/irt.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6966\" src=\"http:\/\/www.decisionsciencenews.com\/wp-content\/uploads\/2019\/07\/irt.png\" alt=\"\" width=\"493\" height=\"325\" srcset=\"https:\/\/www.decisionsciencenews.com\/wp-content\/uploads\/2019\/07\/irt.png 493w, https:\/\/www.decisionsciencenews.com\/wp-content\/uploads\/2019\/07\/irt-300x198.png 300w\" sizes=\"auto, (max-width: 493px) 100vw, 493px\" \/><\/a><\/p>\n<p>Try it: What&#8217;s <em>e<\/em> to 15 places?<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Answer: 2.71828 1828 45 90 45<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MEMORIZE e TO 15 PLACES We recently asked a large group of people the question In the number e, how many places to the right of the decimal does the string &#8216;1828459045&#8217; first occur? Many people replied &#8220;two&#8221;, which is wrong, but indicates that many people know that e is equal to 2.71828something Assuming you, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[4,16],"tags":[1818,310,626,1731],"class_list":["post-6963","post","type-post","status-publish","format-standard","hentry","category-encyclopedia","category-ideas","tag-e","tag-memory","tag-numbers","tag-trivia"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p4LKj-1Oj","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.decisionsciencenews.com\/index.php?rest_route=\/wp\/v2\/posts\/6963","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.decisionsciencenews.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.decisionsciencenews.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.decisionsciencenews.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.decisionsciencenews.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6963"}],"version-history":[{"count":9,"href":"https:\/\/www.decisionsciencenews.com\/index.php?rest_route=\/wp\/v2\/posts\/6963\/revisions"}],"predecessor-version":[{"id":6974,"href":"https:\/\/www.decisionsciencenews.com\/index.php?rest_route=\/wp\/v2\/posts\/6963\/revisions\/6974"}],"wp:attachment":[{"href":"https:\/\/www.decisionsciencenews.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6963"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.decisionsciencenews.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6963"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.decisionsciencenews.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6963"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}