{"id":10566,"date":"2013-10-11T14:48:00","date_gmt":"2013-10-11T14:48:00","guid":{"rendered":"http:\/\/melotopia.net\/b\/?p=10566"},"modified":"2013-10-11T14:48:00","modified_gmt":"2013-10-11T14:48:00","slug":"26","status":"publish","type":"post","link":"http:\/\/melotopia.net\/b\/?p=10566","title":{"rendered":"26!"},"content":{"rendered":"<div class=\"desc\">\n<div class=\"tt_article_useless_p_margin\">\n<p>\n          \uc5b4\ub5a4 \ubd84\uc774 A\uc5d0\uc11c Z\uae4c\uc9c0 \ubaa8\ub4e0 \uc54c\ud30c\ubcb3 26\uc790\ub85c \uc774\ub8e8\uc5b4\uc9c4 \ubaa8\ub4e0 \uacbd\uc6b0\uc758 \uc218\ub97c \ucd9c\ub825\ud558\ub294 \ud504\ub85c\uadf8\ub7a8\uc744 \ub9cc\ub4e4 \uc218 \uc5c6\ub290\ub0d0\uace0 \ubb38\uc758\ud574\uc11c &#8220;\uc548\ub3fc\uc694&#8221;\ub77c\uace0 \ub2f5\uc744 \ubcf4\ub0c8\ub2e4.\n         <\/p>\n<p>\n\n<\/p>\n<p>\n          \uc77c\ub2e8 26!\uc740 1\ubd80\ud130 26\uae4c\uc9c0 \ubaa8\ub450 \uacf1\ud55c \uc218\uc774\ub2e4. !\uc740 \uad49\uc7a5\ud788 \ube68\ub9ac \ucee4\uc9c0\ub294 \ud568\uc218\uc778\ub370, 4!\uc774\ub098 5!\uc815\ub3c4\ub97c \uc0dd\uac01\ud558\uace0\uc11c 26!\uc744 \uc0c1\uc0c1\ud588\ub2e4\uba74 \uadf8 \uc5b4\ub9c8\uc5b4\ub9c8\ud55c \uaddc\ubaa8\uc5d0 \ub180\ub784\uc218\ubc16\uc5d0 \uc5c6\ub2e4. 26!\uc774 \uc5bc\ub9c8\ub098 \ud070\uc9c0 \uc0dd\uac01\ud574 \ubcf4\uace0 \uc2f6\ub2e4\uba74, \uc77c\ub2e8 1\ubd80\ud130 26\uae4c\uc9c0 \uc0ac\uc774\uc5d0 \uc788\ub294 \uc815\uc218\uc5d0\ub294 10\uacfc \uac19\uac70\ub098 \ubcf4\ub2e4 \ud070 \uc815\uc218\uac00 17\uac1c\ub098 \uc788\ub2e4. 10\uc744 17\ubc88\ub9cc \uacf1\ud574\ub3c4 10\uacbd\uc774\ub2e4.\n         <\/p>\n<p>\n\n<\/p>\n<p>\n          \uc2a4\ud138\ub9c1\uc758 \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uba74 \ub300\ub7b5\uc758 \ud06c\uae30\ub97c \ucd94\uce21\ud574 \ubcfc \uc218 \uc788\ub294\ub370, \uc544\ub2c8\uba74 \uadf8\ub0e5 \uad6c\uae00\uc5d0 \uac80\uc0c9\ud558\uba74 \ub41c\ub2e4.\n         <\/p>\n<p>\n\n<\/p>\n<p>\n          26! = 4 x 10^26\n         <\/p>\n<p>\n\n<\/p>\n<p>\n          4\ub4a4\uc5d0 0\uc744 26\uac1c \uc815\ub3c4 \ubd99\uc5ec\uc57c \uc5bc\ucd94 \ube44\uc2b7\ud55c \uac12\uc774 \ub098\uc628\ub2e4\ub294 \ub73b\uc774\ub2e4.\n         <\/p>\n<p>\n\n<\/p>\n<p>\n          \uc77c\ub2e8 \uadf8\uc815\ub3c4\uc758 \uacbd\uc6b0\uc758 \uc218\uac00 \uc788\ub294\ub370, \uc774\uac78 \uc800\uc7a5\ud558\uae30 \uc704\ud574 \ud544\uc694\ud55c \ud558\ub4dc\ub514\uc2a4\ud06c \uc6a9\ub7c9\uc740 \uc5bc\ub9c8\ub098 \ub420\uae4c? 26\uae00\uc790\ub85c \uc774\ub8e8\uc5b4\uc9c4 \ubb38\uc790\uc5f4\uc774\ubbc0\ub85c \ub300\ub7b5 10\uc744 28\ubc88\uc815\ub3c4 \uacf1\ud55c \ud06c\uae30\uc758 \uae00\uc790\ub97c \uc800\uc7a5\ud574\uc57c \ud558\ub294\ub370, \uc601\uc5b4 1\uae00\uc790\uac00 1\ubc14\uc774\ud2b8\uc774\ubbc0\ub85c 10^28\ubc14\uc774\ud2b8\uc758 \uc6a9\ub7c9\uc774 \ud544\uc694\ud558\ub2e4.\n         <\/p>\n<p>\n          1 GB = 10^9 Byte\n         <\/p>\n<p>\n          1 TB = 10^12 Byte\n         <\/p>\n<p>\n          1 PB = 10^15 Byte\n         <\/p>\n<p>\n          1 EB = 10^18 Byte\n         <\/p>\n<p>\n          1 ZB = 10^21 Byte\n         <\/p>\n<p>\n          1 YB = 10^24 Byte\n         <\/p>\n<p>\n          \ub300\ub7b5 1\ub9cc \uc695\ud1a0\ubc14\uc774\ud2b8 \uc815\ub3c4.\n         <\/p>\n<p>\n          \uc694\uc0c8 1 TB\ud558\ub4dc\ub514\uc2a4\ud06c\uac00 10\ub9cc\uc6d0 \uc548\ucabd\uc73c\ub85c \uc0b4 \uc218 \uc788\ub294\ub370, \ub300\ub7c9\uad6c\ub9e4\ub85c 1 TB\uc5d0 \ub9cc\uc6d0\uc774\ub77c \uce58\uace0, \uadf8\ub807\ub2e4\uace0 \uccd0\ub3c4 \uc800\uc7a5\uacf5\uac04\uc744 \ud655\ubcf4\ud558\uae30 \uc704\ud574\uc11c \ud544\uc694\ud55c \uc608\uc0b0\uc740 1 \ud574 \uc6d0\uc774\ub2e4. \uc6b0\ub9ac\ub098\ub77c \ud55c\ud574 \uc608\uc0b0\uc744 1\ucc9c\uc870\uc6d0\uc774\ub77c\uace0 \uac00\uc815\ud574\ub3c4 \uadf8\ubcf4\ub2e4 10\ub9cc\ubc30 \ub354 \ud070 \uc608\uc0b0\uc774\ub2e4.\n         <\/p>\n<p>\n\n<\/p>\n<p>\n          \uc800\uc815\ub3c4\uc758 \uc6a9\ub7c9\uc744 \ucc44\uc6b0\ub824\uba74 1\ud398\ud0c0\ud50c\ub86d\uc2a4 \uc815\ub3c4 \ub418\ub294 \ucef4\ud4e8\ud130\ub97c \uc0ac\uc6a9\ud574\ub3c4 \ubc31\ub9cc\ub144 \uc815\ub3c4 \ucd9c\ub825\ud574\uc57c \uac00\ub2a5\ud558\ub2e4.\n         <\/p>\n<p>\n\n<\/p>\n<p>\n          \uc790, \uadf8\uac74 \uadf8\ub807\ub2e4 \uce58\uace0.\n         <\/p>\n<p>\n\n<\/p>\n<p>\n          A\ubd80\ud130 Z\uae4c\uc9c0 \uc54c\ud30c\ubcb3\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c4 \ubaa8\ub4e0 \uacbd\uc6b0\uc758 \uc218\ub97c \ucd9c\ub825\ud558\ub824\uba74 \uc774\ub860\uc801\uc73c\ub85c\ub294 \uc5b4\ub5bb\uac8c \ud558\uba74 \ub420\uae4c?\n         <\/p>\n<p>\n\n<\/p>\n<p>\n          \uba87\uac00\uc9c0 \uc54c\uace0\ub9ac\uc998\uc744 \uc0dd\uac01\ud574 \ubcfc \uc218 \uc788\ub2e4.\n         <\/p>\n<p>\n\n<\/p>\n<p>\n          \uc77c\ub2e8 \ubc11\ubc14\ub2e5\ubd80\ud130 \uc0dd\uac01\ud55c\ub2e4\uba74,\n         <\/p>\n<p>\n          A\ub97c \uc0dd\uac01\ud558\uace0 \uc5ec\uae30\uc5d0 B\ub97c \ucd94\uac00\ud558\uba74 AB\uc640 BA\uac00 \uc788\ub2e4. \uadf8 \ub450\uac00\uc9c0 \uacbd\uc6b0\uc5d0 \ub300\ud574 C\ub97c \ucd94\uac00\ud558\uc5ec AB\ub85c\ubd80\ud130 CAB, ACB, ABC\ub97c \ub9cc\ub4e4\uace0, BA\ub85c\ubd80\ud130\ub294 CBA, BCA, BAC\ub97c \ub9cc\ub4e4\uc5b4 \ub0b8\ub2e4. \uadf8\ub807\uac8c \ub9cc\ub4e4\uc5b4\uc9c4 \uc5ec\uc12f\uac00\uc9c0 \uacbd\uc6b0\uc5d0 \ub300\ud574 D\ub97c \ucd94\uac00\ud558\uace0. \ub4f1\ub4f1. \uc774\ub7f0\uc2dd\uc73c\ub85c \uc911\uac04\uc5d0 \ud558\ub098\uc529 \ub07c\uc6cc\ub123\ub294 \ubc29\ubc95\uc744 \uc774\uc6a9\ud558\uc5ec \ub9cc\ub4e4\uc5b4\ub0bc \uc218 \uc788\ub2e4.\n         <\/p>\n<p>\n\n<\/p>\n<p>\n          \ub450\ubc88\uc9f8\ub85c, \uc21c\uc218\ud558\uac8c \uc815\ub9d0 permutation\uc758 \uc758\ubbf8\ub97c \uc0dd\uac01\ud574\uc11c \ub9cc\ub4dc\ub294 \ubc29\ubc95\uc778\ub370, ABCD&#8230;XYZ\uae4c\uc9c0 \ub2e4 \uc368\ub193\uace0, 1\ubc88\uacfc 2\ubc88\uc744 \ubc14\uafbc \uac83, 1\ubc88\uacfc 3\ubc88\uc744 \ubc14\uafbc \uac83, &#8230; \uc774\ub807\uac8c \ud574\uc11c 1\ubc88 \ubc14\uafd4\uc11c \ub9cc\ub4e0 \ubaa8\ub4e0 \ubb38\uc790\uc5f4\uc744 \ucd94\uac00\ud558\uace0, 1\ubc88\uacfc 2\ubc88\uc744 \ubc14\uafb8\uace0 1\ubc88\uacfc 3\ubc88\uc744 \ubc14\uafb8\uace0, &#8230; \uc774\ub807\uac8c \ud574\uc11c 2\ubc88 \ubc14\uafd4\uc11c \ub9cc\ub4e0 \ubaa8\ub4e0 \ubb38\uc790\uc5f4\uc744 \ucd94\uac00\ud558\uace0, &#8230;\n         <\/p>\n<p>\n          \uc774\ub807\uac8c \ud574\uc11c \ubaa8\ub4e0 \uacbd\uc6b0\uc758 \uc218\ub97c \ucd9c\ub825\uc2dc\ud0ac \uc218 \uc788\ub2e4.\n         <\/p>\n<p>\n\n<\/p>\n<p>\n          \uc138\ubc88\uc9f8\ub85c, \ub300\ucda9 \ub9cc\ub4e4\uc5b4\ub3c4 \ub41c\ub2e4\uace0 \ud558\uba74 \uc544\ubb34\uac70\ub098 ABCD&#8230;XYZ\uae4c\uc9c0 \ub2e4 \uc368\ub193\uace0, 26\uac1c\uc758 \ub09c\uc218\ub97c \uc0dd\uc131\ud558\uba74\uc11c \uadf8 \uc704\uce58\uc5d0 \uc788\ub294 \ubb38\uc790\ub97c \ubf51\uc544\uc11c \ub9cc\ub4e4\uba74 \ub41c\ub2e4. \ud544\uc694\ud55c\ub9cc\ud07c \ub9cc\ub4e4\uace0, \uac19\uc740\uac70 \ub098\uc624\uba74 \ubc84\ub9ac\uba74 \ub41c\ub2e4. \ubb3c\ub860 \ub09c\uc218\uac00 \uc81c\ub300\ub85c \uc0dd\uc131\ub418\uc5c8\ub2e4\uba74 4*10^26\uac1c\uc758 \uacbd\uc6b0\uc758 \uc218 \uc911\uc5d0 \uacb9\uce58\ub294 \uac83\uc774 \ub098\uc62c \uac00\ub2a5\uc131\uc740 \uac70\uc758 \uc5c6\ub2e4.\n         <\/p>\n<p>\n\n<\/p>\n<p>\n          \uc774\ub807\uac8c \uc138\uac00\uc9c0 \uc815\ub3c4\uc758 \uc54c\uace0\ub9ac\uc998\uc744 \uc0dd\uac01\ud574 \ubcfc \uc218 \uc788\ub2e4. \ubb3c\ub860 \uc774 \uc54c\uace0\ub9ac\uc998\ub4e4\uc740 \ub110\ub9ac \uc54c\ub824\uc838 \uc788\ub294 \ubc29\ubc95\ub4e4\uc774\ub2e4. \uc2e4\uc81c\ub85c \uad6c\ud604\ub41c \ucf54\ub4dc\ub294 \uad6c\uae00\uc5d0\uc11c permutation\uacfc \uc6d0\ud558\ub294 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4 \uc774\ub984\uc73c\ub85c \uac80\uc0c9\ud558\uba74 \ub9e4\uc6b0 \ub9ce\uc774 \ub098\uc624\uae30 \ub54c\ubb38\uc5d0 \uc0dd\ub7b5\ud55c\ub2e4.\n         <\/p>\n<div style=\"width:100%;margin-top:30px;clear:both;height:30px\">\n<div style=\"width:31px;float:left;\">\n<a href=\"\/toolbar\/popup\/abuseReport\/?entryId=3407\" onclick=\"window.open(this.href, 'tistoryThisBlogPopup', 'width=550, height=510, toolbar=no, menubar=no, status=no, scrollbars=no'); return false;\"><br \/>\n<img data-recalc-dims=\"1\" decoding=\"async\" alt=\"\uc2e0\uace0\" src=\"https:\/\/i0.wp.com\/t1.daumcdn.net\/tistory_admin\/static\/ico\/ico_spam_report.png\" style=\"border:0\"\/><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\uc5b4\ub5a4 \ubd84\uc774 A\uc5d0\uc11c Z\uae4c\uc9c0 \ubaa8\ub4e0 \uc54c\ud30c\ubcb3 26\uc790\ub85c \uc774\ub8e8\uc5b4\uc9c4 \ubaa8\ub4e0 \uacbd\uc6b0\uc758 \uc218\ub97c \ucd9c\ub825\ud558\ub294 \ud504\ub85c\uadf8\ub7a8\uc744 \ub9cc\ub4e4 \uc218 \uc5c6\ub290\ub0d0\uace0 \ubb38\uc758\ud574\uc11c &#8220;\uc548\ub3fc\uc694&#8221;\ub77c\uace0 \ub2f5\uc744 \ubcf4\ub0c8\ub2e4. \uc77c\ub2e8 26!\uc740 1\ubd80\ud130 26\uae4c\uc9c0 \ubaa8\ub450 \uacf1\ud55c \uc218\uc774\ub2e4. !\uc740 \uad49\uc7a5\ud788 \ube68\ub9ac \ucee4\uc9c0\ub294 \ud568\uc218\uc778\ub370, 4!\uc774\ub098 5!\uc815\ub3c4\ub97c \uc0dd\uac01\ud558\uace0\uc11c 26!\uc744 \uc0c1\uc0c1\ud588\ub2e4\uba74 \uadf8 \uc5b4\ub9c8\uc5b4\ub9c8\ud55c \uaddc\ubaa8\uc5d0 \ub180\ub784\uc218\ubc16\uc5d0 \uc5c6\ub2e4. 26!\uc774 \uc5bc\ub9c8\ub098 \ud070\uc9c0 \uc0dd\uac01\ud574 \ubcf4\uace0 \uc2f6\ub2e4\uba74, \uc77c\ub2e8 1\ubd80\ud130 26\uae4c\uc9c0 \uc0ac\uc774\uc5d0 \uc788\ub294 \uc815\uc218\uc5d0\ub294 10\uacfc [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-10566","post","type-post","status-publish","format-standard","hentry","category-academic"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/s8o6gA-26","jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/10566","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10566"}],"version-history":[{"count":0,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/10566\/revisions"}],"wp:attachment":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10566"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}