12 Days of Christmas
27th
221st
1,577th
8th
99 Bottles of Beer
34th27th49th
41st
96th
469th7th
371st
3rd
Abundant Numbers
189th141st451st326th
117th80th115th
239th322nd198th
76th248th195th265th208th
302nd210th181st1st86th
185th2,659th146th38th12th118th250th455th389th78th121st37th235th53rd133rd55th
51st124th
143rd244th
202nd
205th
Abundant Numbers (Long)
196th194th458th521st
65th165th113th
388th
144th
71st448th277th538th435th
525th322nd316th1st115th
285th1,833rd243rd40th12th185th314th846th666th69th140th
33rd85th38th
57th168th
304th383rd
453rd
326th
Arabic to Roman
164th15th
65th
219th
248th
64th1st
118th
Arithmetic Numbers
284th
62nd
47th
6th
28th
Arrows
36th43rd59th
29th
50th
80th
373rd4th38th
6th
23rd
20th
Ascending Primes
38th
93rd
59th
76th
42nd
72nd
12th
36th
ASCII Table
189th
30th
196th
3rd
130th
21st
brainfuck
38th
116th167th
2nd
122nd
Catalan Numbers
1st
329th
319th
192nd386th337th434th425th422nd402nd
515th12th246th
1,002nd144th216th
265th
189th350th42nd
119th
121st
384th
557th
Catalan’s Constant
89th
106th
81st
69th80th
103rd142nd3rd
70th
61st
51st
Christmas Trees
118th
90th31st175th
137th
38th165th125th
74th
1,343rd8th33rd
69th135th
213th63rd37th98th
229th
21st
24th
251st
129th
Collatz
140th108th330th219th
34th92nd86th
95th
121st317th227th300th
438th
424th36th400th
289th2,362nd6th431st
113th281st
495th103rd94th426th
353rd259th202nd
49th263rd
401st
298th
419th
CSS Colors
132nd
422nd
124th82nd
1st
37th
64th
438th
113th
Cubes
143rd
126th
Day of Week
326th
294th212th449th
261st
398th618th581st532nd597th
358th
1,095th131st
418th
643rd
238th1st862nd60th248th518th
195th
Diamonds
165th
84th
78th
30th
107th
23rd47th
74th97th
157th29th52nd
8th
88th
13th
123rd
Divisors
2,386th981st923rd
375th782nd833rd1,052nd1,424th2,170th634th
688th1,429th939th869th927th
971st
773rd
488th1st878th3,841st352nd1,025th525th532nd1,011th1,178th1,027th453rd
662nd1,443rd28th565th369th
413th578th
1,159th1,619th
1,187th
855th
Emirp Numbers
258th
448th
344th658th
61st112th181st
408th417th128th
160th309th275th184th296th135th388th397th196th
303rd
401st1,022nd22nd133rd
146th339th380th478th262nd91st79th234th9th228th77th
32nd211th315th
252nd527th923rd289th
281st
Emirp Numbers (Long)
39th
62nd
30th
25th48th
45th
14th
64th
Emojify
79th71st85th
40th
37th
108th
203rd30th26th
280th
397th281st
3rd
50th
21st
Evil Numbers
2,794th1,268th506th377th590th632nd
212th330th376th577th684th962nd389th468th347th744th607th684th591st506th780th565th572nd35th366th183rd637th3,259th176th343rd1st380th457th857th767th328th323rd211th595th44th564th320th
208th359th805th750th414th681st1,800th584th
674th
Evil Numbers (Long)
583rd337th538th610th
228th270th304th369th433rd
278th376th259th561st398th598th638th577th596th429th422nd31st332nd76th568th1,861st96th299th1st329th515th599th555th257th302nd248th449th40th396th245th
105th567th
644th413th539th
519th
524th
Farey Sequence
217th
149th123rd111th
64th
206th154th
191st
693rd37th
121st
5th
Fibonacci
203rd3,736th925th387th1,200th2,272nd
355th441st628th1,196th3,422nd2,693rd927th1,079th392nd1,879th1,120th2,061st1,058th1,202nd1,067th1,096th817th1st409th
2,789th6,507th211th501st1,965th515th930th2,140th1,937th378th381st371st1,843rd45th727th334th
348th709th
1,945th2,042nd2,068th
1,035th2,213th1,875th
Fizz Buzz
4,952nd6,766th1,320th723rd2,121st1,450th
681st3,326th1,460th1,678th2,024th
1,397th1,486th1,244th2,031st1,974th1,977th1,484th
3,236th
1,446th1st1,312th
1,969th7,106th132nd1,683rd
1,238th1,340th2,596th3,712th127th606th25th4,291st60th1,648th116th
528th1,305th
3,122nd1,300th2,006th
2,678th3,491st1,979th
Foo Fizz Buzz Bar
647th
1,107th
324th
532nd
631st
468th
604th1,690th506th316th
494th
232nd279th254th1,105th11th
221st
452nd
510th
Forsyth–Edwards Notation
146th
44th
30th
3rd
23rd
18th
8th
Fractions
273rd
168th638th197th
378th
297th
429th
249th
683rd137th200th
222nd292nd
443rd
156th
10th
321st
Game of Life
762nd
164th
58th
Gijswijt’s Sequence
129th
28th
26th
71st
52nd
319th19th
49th
127th8th38th
9th
16th
159th
Happy Numbers
351st
267th
440th850th
135th193rd283rd
401st607th163rd
184th486th441st341st361st198th419th473rd177th23rd252nd
298th1,486th82nd139th1st245th327th503rd517th681st170th130th307th30th375th522nd
92nd234th
476th277th775th1,117th323rd
388th
Happy Numbers (Long)
120th
370th432nd
115th132nd
118th
95th284th239th256th
364th520th191st23rd
281st1,048th52nd82nd1st566th261st
376th142nd
30th254th304th
67th204th
268th235th
277th
212th
Hexdump
60th
123rd
17th
5th
Intersection
70th
14th
110th
30th
Inventory Sequence
53rd221st184th
70th92nd110th
146th
47th197th
217th199th1st109th
182nd784th76th146th
101st
284th522nd94th214th
139th
131st
154th
ISBN
43rd
126th
132nd
136th
779th16th58th
106th
245th
25th
21st
20th
274th
Jacobi Symbol
119th
13th
78th
95th
Kolakoski Constant
111th
150th
12th
Kolakoski Sequence
22nd
241st62nd
427th
70th123rd155th
727th354th
112th229th222nd
180th
87th29th
951st41st140th1st165th240th
426th174th265th
147th
53rd156th
179th
206th
Leap Years
877th992nd348th471st
121st145th192nd289th1,236th2,865th361st696th122nd438th337th238th234th914th534th199th244th1st164th
760th3,322nd44th138th9th143rd182nd469th383rd107th210th19th567th41st179th101st
115th764th
1,149th186th364th
219th
324th
Levenshtein Distance
495th
118th197th
231st
80th
99th
3rd
312th
Leyland Numbers
156th
195th
1st263rd
326th
125th
23rd
136th
180th
ln 2
221st
143rd
216th238th
197th211th
590th128th95th
3rd
139th313th27th
141st
175th
Look and Say
1,028th
89th
105th194th
31st97th
11th
25th146th130th
68th
Lucky Numbers
103rd
47th98th107th
65th
54th
154th
527th28th
32nd
12th
23rd
Lucky Tickets
73rd
245th
174th
54th
138th
11th
68th
220th
Maze
98th
69th
Medal Tally
180th
41st
Morse Decoder
44th
29th
17th
N Queens
20th
4th
19th
Niven Numbers
85th2,341st617th881st1,024th1,042nd
242nd402nd583rd712th996th1,390th437th1,880th262nd1,004th855th914th815th724th1,156th966th950th1st378th
626th2,931st112th314th1,716th354th537th1,169th1,195th229th331st105th928th47th488th91st
239th494th
1,040th558th883rd2,494th738th
834th
Niven Numbers (Long)
283rd468th522nd577th
215th240th266th712th701st
206th
88th532nd458th657th474th582nd651st540th481st20th297th
331st1,717th146th180th
238th426th661st666th78th226th161st683rd56th312th45th
103rd340th
749th404th414th
499th
424th
Number Spiral
132nd
71st
30th
154th
Odious Numbers
2,405th1,321st319th280th480th885th
273rd229th407th755th548th831st559th381st217th653rd498th606th529th366th656th453rd333rd33rd250th139th409th2,786th210th238th1st245th321st797th631st207th209th174th485th42nd320th179th
175th255th664th648th303rd939th2,053rd458th
535th
Odious Numbers (Long)
254th276th501st585th
192nd224th355th364th385th
212th299th200th534th341st563rd657th537th561st410th402nd31st292nd119th515th1,686th142nd216th1st255th457th577th528th190th219th180th372nd40th279th371st
152nd559th
601st335th496th
450th
478th
Ordinal Numbers
427th
162nd
177th
1,176th48th
199th
149th
256th
109th
96th
119th3rd
Pangram Grep
160th
429th
142nd406th
1st181st
1,384th57th131st
396th705th
937th
523rd31st
55th
139th
246th
Pascal’s Triangle
304th505th496th
184th222nd280th406th666th
186th
327th
463rd775th471st
454th
326th
1st444th1,600th228th200th1st290th433rd521st176th314th179th322nd439th
208th102nd
133rd282nd
409th457th
439th
450th
Pernicious Numbers
1,543rd614th432nd832nd1,052nd
273rd402nd553rd588th892nd1,066th351st772nd249th874th740th791st722nd964th909th995th692nd1st
104th656th1,977th153rd337th23rd376th529th919th893rd225th313th130th779th37th668th190th
206th455th1,124th846th436th602nd1,662nd
634th
Pernicious Numbers (Long)
394th266th323rd326th
132nd184th215th177th270th
118th
77th305th286th314th324th258th350th273rd318th
1st295th957th87th130th1st180th331st352nd437th113th152nd386th218th33rd267th74th
101st223rd
372nd243rd293rd
289th
300th
Prime Numbers
355th
579th928th795th1,089th
276th386th
706th750th1,116th464th1,094th490th796th731st659th639th250th927th1,146th537th207th327th1st625th2,862nd164th388th1st367th583rd923rd1,162nd314th773rd307th599th113th483rd210th
227th392nd840th1,800th558th772nd2,150th736th2,082nd720th2,256th
Prime Numbers (Long)
346th
541st
701st772nd
340th370th
406th718th
682nd599th679th793rd154th755th691st550th151st388th1st653rd1,900th180th602nd1st507th627th749th930th482nd598th350th608th102nd381st827th
309th445th
799th931st
691st
582nd
Proximity Grid
117th
33rd
111th
QR Decoder
50th
Quine
30th
3,908th258th
1,996th2,001st3,967th1,347th1,493rd2,608th
2,661st1,252nd1,596th1,792nd
1,711th3,803rd2,995th1,505th
528th1,127th
3,601st230th1,434th459th1,153rd1,609th1,802nd1,631st474th2,831st3,794th1,769th159th2,040th1,116th
5,133rd3,306th3,137th1,665th2,117th1,735th
2,452nd
2,416th
Recamán
155th
260th168th108th
118th
1,039th12th88th
98th165th
34th
148th
Repeating Decimals
54th
20th
1st
48th
Reverse Polish Notation
192nd
236th
1st
71st
199th
54th
82nd
Rijndael S-box
47th
Rock-paper-scissors-Spock-lizard
24th
15th
7th
3rd
Roman to Arabic
129th137th206th
135th
143rd
233rd391st
20th
254th
207th
607th70th141st
186th323rd
166th87th219th191st
42nd1st133rd
153rd
ROT13
8th
118th
Rule 110
54th
47th128th
38th75th
3rd
94th
17th
148th
Seven Segment
265th
70th
26th
12th28th
102nd
4th
13th
14th
Sierpiński Triangle
92nd
77th
32nd114th97th
172nd
40th134th140th
704th7th
119th
16th44th70th196th110th
25th
154th
84th
Smith Numbers
19th
3rd
12th
Spelling Numbers
59th1st
263rd
81st
131st
Star Wars Opening Crawl
34th
12th
Sudoku
174th
157th
Sudoku (Fill-in)
30th
14th
Time Distance
17th
5th
Tongue-twisters
338th
90th
169th
510th91st229th
67th
118th
Transpose Sentence
143rd
36th
72nd
56th
United States
40th
20th2nd
Vampire Numbers
110th
809th
790th
64th
89th
Van Eck Sequence
284th
96th127th139th
221st
326th245th193rd
199th1st145th
800th40th268th
132nd169th
260th92nd
13th417th
59th
185th
Zodiac Signs
198th
33rd
13th
5th
24th
γ
89th
55th1st
66th
49th
418th
λ
36th
314th
32nd
14th
1,418th
π
144th
136th294th270th
169th170th
210th
4th
650th87th23rd
179th
106th221st72nd
99th
84th
305th
τ
180th
121st375th253rd
178th201st
222nd
4th
592nd92nd25th
131st
213th62nd
81st
65th
333rd
φ
280th
198th507th
427th331st299th313th
387th159th243rd159th
941st141st99th
15th
320th38th
10th
84th
192nd
455th
√2
321st
216th
433rd389th353rd352nd
331st210th290th3rd
1,169th195th155th
13th
371st40th
139th
146th
247th
377th
𝑒
321st
235th710th394th328th347th289th299th
410th213th462nd1st
924th169th17th
215th
353rd318th65th
278th
160th
312th