The factorials in radix 20:

n₁₀	n	n!

`1`	`1`	`1`
`2`	`2`	`2`
`3`	`3`	`6`
`4`	`4`	`14`
`5`	`5`	`60`
`6`	`6`	`1g0`
`7`	`7`	`cc0`
`8`	`8`	`50g0`
`9`	`9`	`25740`
`10`	`a`	`12dc00`
`11`	`b`	`c99c00`
`12`	`c`	`79df400`
`13`	`d`	`4h5ihc00`
`14`	`e`	`382346800`
`15`	`f`	`2b1c84g000`
`16`	`g`	`20h5ibgg000`
`17`	`h`	`1eee0g15c000`
`18`	`i`	`1b54ce930g000`
`19`	`j`	`19dj81edhf4000`
`20`	`10`	`19dj81edhf40000`
`21`	`11`	`1b3d79g8bcj40000`
`22`	`12`	`1e60e4g18g5280000`
`23`	`13`	`1j8ig7a9d2dhf40000`
`24`	`14`	`276ebd0bbf4d64g0000`
`25`	`15`	`2j384b5e9e0gcg000000`
`26`	`16`	`3gi8did8gc51ccg000000`
`27`	`17`	`53gheg42i8ah415c000000`
`28`	`18`	`757cgedg1fj41dfgg000000`
`29`	`19`	`aag1c5606c2gi8jj74000000`
`30`	`1a`	`fg4287j09i457d9j0g0000000`
`31`	`1b`	`14a27f069f74c6hi8a4g0000000`
`32`	`1c`	`1j43g80a7cbb7f0d9c7dc0000000`
`33`	`1d`	`34di614h2bf1ffg24h8d8g0000000`
`34`	`1e`	`59jd262527jd0gh7g5cegj40000000`
`35`	`1f`	`9c97j0dij3j7g9a8d9h5jdc00000000`
`36`	`1g`	`h68i65522b2i1d2fc5f2f89c00000000`
`37`	`1h`	`1c0i9hbe8iec79162hed02adf400000000`
`38`	`1i`	`30hf2f858jbfa349d9dge4g62hc00000000`
`39`	`1j`	`5ieca812ca3j4g5eh5hjbf7fjc6800000000`
`40`	`20`	`bh950g25507i9cb9ebfj3afbj4cg000000000`
`41`	`21`	`146fj6d0cf5g4hefaii3e651ja8a4g000000000`
`42`	`22`	`2b25abj76g242550cje3g12e2jhha1c000000000`
`43`	`23`	`59hhhfecfccegh5g7i7a3a8g88f8cd8g000000000`
`44`	`24`	`c1f772c427g0d20g188a7ej82b5ijhb74000000000`
`45`	`25`	`173jbb0h957b199bg33j378dd5f87eeab40000000000`
`46`	`26`	`32b30b80367797g133721f1j8b595fh85f40000000000`
`47`	`27`	`770426fg7fj6b16ee8hdi29cd29ggc5i9ae80000000000`
`48`	`28`	`hcg9hc5j6e67eb436d6979j279jc7ha46heb40000000000`
`49`	`29`	`23488432c791cid9436cgj77gg79175i0ch8d8g0000000000`
`50`	`2a`	`58110a7gaice26dd086c2889c0icd84f1c3bdc000000000000`
`51`	`2b`	`dfadc69j3ha7jj0g414gi39c9e7a64029212fdc000000000000`
`52`	`2c`	`1fg7f80hhi1b0fha22b4bj510957ag2867d6j4f74000000000000`
`53`	`2d`	`4ei8bg6788i25217fcff3e07e4b4jce80i678jce1c000000000000`
`54`	`2e`	`cg5f3i140g0i1fbf04aajjh0g867906he9942506068000000000000`
`55`	`2f`	`1f4fgfed62429ehh65c904jbh52ha9fiieg0663fgahc0000000000000`
`56`	`2g`	`4id87011523aj5e09beh4dih4681178d098ghd6c6695c0000000000000`
`57`	`2h`	`e144fj30bb424j4j769727ef164j0i3d26i426jh2088j40000000000000`
`58`	`2i`	`20fa5i5afda9ia7g834f2ci8fdg274cec0g0fig5bbh49jdc0000000000000`
`59`	`2j`	`605f78i6g4hj5cd181b0cg27i5eaj6db1a7670a093jg591280000000000000`
`60`	`30`	`i0h626f08edhghj444d1i873eh3ci00d4b1j11a17bj8g737400000000000000`
`61`	`31`	`2f0cfd2bg6cg78afbgi3ih39i86826i206hgj25be43a5hhh4j400000000000000`
`62`	`32`	`8abjcae0ccbef0986e88494gf1fh35825176b51660ihi59797a800000000000000`
`63`	`33`	`16h7eg9e3jfcj969d5389i124facj160b1j61d8j2h0ja8b4aaadf400000000000000`
`64`	`34`	`45jcf8f18f61a5gei8aj3dfb35e19035fa5f970d52b2977i9de40cg00000000000000`
`65`	`35`	`dj8ga38jd9eei8j89hfc6jfb5daee5adf88f57h31d63090f19b321c000000000000000`
`66`	`36`	`262329b7cia2d4hc20cdaf1574ed8b2558hgi7fic39i5j9g9ehag4h5c000000000000000`
`67`	`37`	`7e949612c5jii76jag297094j4h2jd4bd4ffdc276fe4605i4cgf485hf4000000000000000`
`68`	`38`	`165373cbghg7g68je8eg7fhb8h8a62gjbd05d6540j186c901jfcjf0407dc000000000000000`
`69`	`39`	`4abgbfa8h59aj6500g32ahfc9c27b3gbb3hjaibij5fhegj16h4jg2fdh69i8000000000000000`
`70`	`3a`	`fh18146b09387bha2gaii24ddc86938093ci851g7a5c1j6ee07969eiacee80000000000000000`
`71`	`3b`	`2g5bjc6752cb2ej3300eh25icb71aib19cbih76192d9hijci3f6a20bjff45280000000000000000`
`72`	`3c`	`a2c32c6i29941hgj6g2d9c5714h9b6fh6d6jia5h4hcbcc6e99b3876334ef68cg0000000000000000`
`73`	`3d`	`1gja78b1430abii2ibghf41fafaffi7fi56eaebb7ig6i910agbhf9ad9ag5hi9ae80000000000000000`
`74`	`3e`	`6gg479ci973j43j2gfg9e52b9h9i8i0ghbehfdig37c9c59g017jf559h605g675d5c0000000000000000`
`75`	`3f`	`15d0g813951jh0egfcj6g894d20c437d35j0gdh5acdbg10bf054j24fbjhb1g3h64g000000000000000000`
`76`	`3g`	`4h9b26c9337b8eg7f959i831dfe67gh20ac738dd083cgji4d0jigca35bae2hadfe4g000000000000000000`
`77`	`3h`	`if5ffj9j54030d11iae33h7ha1a2c3hgg0hbc48b2ba098d3i4gfa032c98491a319g9c000000000000000000`
`78`	`3i`	`3d3cbc60h25cbgai5a5f491ge55ha3b3bab8b5d5780h1gff952h890c44ce177hbjg658g000000000000000000`
`79`	`3j`	`e916dhbh7c04ee723fcf2bi506i434132af2gb7844f7a5661b66g7d84e63b842a758f9f4000000000000000000`
`80`	`40`	`2hg56fa79a80iih88f2b0a7d017cgcg4ca30b659cgj1a115465575adcih4e5cga191f1j0g0000000000000000000`
`81`	`41`	`be2hc8h05b2bge8b3956d20jd5bij7heed255g8410d51e622976e985587g1ggigfhg22i24g0000000000000000000`
`82`	`42`	`27jjg505f2fccab31g3jh5e80c8ijfa6e81f5dh5cc4e6h0d0e281b6bhc47jjb194h300fi53dc0000000000000000000`
`83`	`43`	`9j3j48g3hgah7jg5ga4b8eef6bd2g17hhfb68cae76fba8de1ibjaa0761e53i2j17339360fa58g0000000000000000000`
`84`	`44`	`21gcced006h9d1b4896j40di07cj3f9h32d7b04d06g987g9b4226021adb3hg8481e16a9h7532gj40000000000000000000`
`85`	`45`	`8hfde25519460bcdfjebc2j1bca1b0ghi66h1fjf69000d50cc8jfa8ga7cbaeeie74fcebifgi721c00000000000000000000`
`86`	`46`	`1i498idebg5c9ia0b6egdi4e0fjf6d9cd0f599eejhee02gjce5ad0ehj0cg1c3849f2b4ef6g2eiaihc00000000000000000000`
`87`	`47`	`86591h5e97g9739c966aca6919aje0ci0e68g5734a2iic7h86216e4g1ffdijigfa8g2hc4ec3iidc2b400000000000000000000`
`88`	`48`	`1gbc00413d6893b66gjgef187ia06degf7306fbba3gcj5iaccah1had2fh917behg5if0d9gg5d763h755c00000000000000000000`
`89`	`49`	`82fc80i1565bcgh749c59d16756b9f30c6g8a36a4711dh7963g6170898cd72f555a88i00fg949ab4569i800000000000000000000`
`90`	`4a`	`1gca5g415di527fi2a354d8ficdjbdi3cfadi5ej5jbehc83bhh3761bi28h0228ddegi0103b41a2ha93j4cg000000000000000000000`
`91`	`4b`	`86cig8e9gi615h97984gg5309ffc245eb2dd6431g428e394725264d5392579d1a5aahi4bg3jah31ebh0a24g000000000000000000000`
`92`	`4c`	`1i6babc2d5g3hj07275i56fdi50bfe3e6j46h4b246aj413i80e7acd8jfhi8e882j58a27h26a5hii3j2a66a61c000000000000000000000`
`93`	`4d`	`8i4bc3j87g06298d1ji9igajdh7eg0j5e773i23d628j5hb4b76h08iag0i6eb11hfc4b12abg5h88ic7idj85i58g000000000000000000000`
`94`	`4e`	`21hdab6d58d58fc6db7cie9fcb3e7b8achabg7254afa2dcaf98a401j2f863c7j2hb797j5hfabbhdja55hd4jfhb74000000000000000000000`
`95`	`4f`	`9iij53gd0g30ge3be9168ig94d2d5j5ab3562dfegb3d2eeb39f89095i34973hfid909cgcj8f51917df2ihie088j40000000000000000000000`
`96`	`4g`	`27ej08i7ibhac041457a6ii70670fgcaadbd98i3b39db12dhcei0b64c7398iad89cb665bi56146jaci0e2e1f60b0340000000000000000000000`
`97`	`4h`	`bbba535493c084jdhe193df00ag2gfcf1fhc6g4353hieca16ag58eh47ifgg5hf22dihc92fbe7i1gecb98b26b44d7fa80000000000000000000000`
`98`	`4i`	`2gee855jbgjci088a0ej3017a2cj1i4c9ifg69787j91hfd56a0jecgg7ai1c7gh00946a70fc78aecjjdc43i982iehc20j40000000000000000000000`
`99`	`4j`	`e0gh6i4bjd14h41e1de0fh6g3322a94hh405g07eb96070ad73ehd9b516ja06g8325c854gh64f52a6i878f88b6afd2i2f0g0000000000000000000000`
`100`	`50`	`3a446eb2ji564608a88a3j6e0ffacc649601901ich6a1f2d6fie877g56eha1e20fb8216446b3g5cbec1h3h22gcdi5eadf4000000000000000000000000`