12 Days of Christmas
214th
1,174th1,350th486th
1,144th
279th
2,823rd
900th
312th815th247th
181st
309th
1,235th
1,050th225th
24 Game
536th
99 Bottles of Beer
239th
1,424th979th642nd
659th
452nd
607th
678th352nd187th
391st
489th
888th
Abundant Numbers
655th2,388th2,862nd1,295th
1,109th1,576th855th
1,303rd865th846th2,211th1,301st1,472nd861st575th1,817th1,098th
1,717th977th
2,071st
2,460th
737th580th
2,470th
363rd531st
677th2,940th
3,261st2,841st3,338th2,296th
Abundant Numbers (Long)
1,039th1,763rd1,362nd505th
1,009th530th930th
274th
852nd
1,238th728th405th
1,303rd
1,631st493rd
1,662nd
1,759th
561st652nd
1,769th
261st
1,022nd1,465th
548th1,774th1,176th
Arabic to Roman
462nd
339th568th254th
272nd
991st87th
66th
526th
743rd
1,123rd
386th
378th
511th622nd
324th
Arithmetic Numbers
698th
818th404th
374th223rd382nd
993rd
144th
623rd399th386th1,617th1,196th
1,129th206th
299th303rd
1,371st
975th843rd597th
813th
884th
38th1,332nd
750th866th467th
494th
453rd
785th
Arrows
511th
662nd
986th
481st
588th
552nd509th
423rd
632nd
526th
Ascending Primes
521st467th
488th
531st564th499th
378th556th400th
517th527th
62nd
484th
549th
336th
602nd426th
354th
747th306th462nd
825th
621st565th421st
ASCII Table
564th
878th
751st426th538th
678th
276th
740th
487th
685th560th494th
196th
448th
466th
555th
brainfuck
889th
640th
623rd
899th
320th
Card Number Validation
662nd
Catalan Numbers
1,303rd
489th
1,196th1,334th764th949th718th685th934th
1,178th
519th
828th
188th
984th301st
419th
1,197th
738th
454th
1,382nd753rd
673rd
806th
Catalan’s Constant
1,184th1,108th939th600th1,135th363rd468th344th
465th
587th492nd518th1,179th1,164th579th1,290th536th702nd
317th1,527th
1,304th
782nd822nd583rd
2nd
1,067th827th441st718th1,394th1,140th1,347th592nd582nd1,233rd1,484th232nd1,497th741st
542nd643rd914th1,257th401st385th762nd287th
Christmas Trees
1,704th
859th
985th1,124th860th
1,632nd
724th
671st388th
651st
1,316th
1,078th537th664th
845th
696th
406th
139th
1,909th
463rd
645th531st
Collatz
417th
1,516th789th
989th106th580th
1,355th
672nd1,018th
2,345th
904th
2,125th
142nd485th
2,497th1,055th
388th
903rd
1,513th
1,297th1,835th2,040th
CSS Colors
528th
447th
416th
734th
246th
579th
278th
413th
2nd
282nd
337th
341st
625th
Cubes
210th
534th
516th
426th
474th
234th
143rd
Day of Week
829th752nd
174th631st780th596th
298th
894th672nd612th437th488th339th
300th
246th654th
1,214th
587th
789th148th
59th956th
1,131st849th
982nd
761st
797th
DFA Simulator
Diamonds
974th
680th
673rd
731st
434th
1,183rd
833rd
718th
1,114th892nd592nd
339th
1,562nd1,607th
Divisors
2,172nd3,498th1,615th1,797th
1,838th1,532nd2,329th
2,946th
2,273rd
1,204th1,439th2,554th3,971st2,752nd
1,020th
3,303rd
1,384th1,238th
3,080th
1,071st1,427th
1,652nd
2,916th1,881st
35th
2,026th
311th
2,403rd3,171st
1,000th
2,186th
Emirp Numbers
1,629th
1,605th835th
434th690th606th
580th307th427th536th787th1,705th562nd112th
365th
193rd
2,796th
651st474th
1,628th1,627th
1,736th
122nd244th
187th694th1,667th
711th909th
554th
Emirp Numbers (Long)
610th
466th538th
540th447th473rd
1,017th
470th
582nd498th
260th
409th
535th
918th
906th
204th
796th
520th
670th
551st
Emojify
731st
525th
419th
572nd
339th
508th
595th
748th361st
Evil Numbers
2,334th1,549th2,580th1,601st
650th710th849th2,079th1,457th864th1,193rd3,170th616th1,232nd582nd1,157th1,978th479th
2,710th807th3,122nd1,872nd
4,710th1,705th2,231st824th494th
2,474th2,734th2,590th1,583rd2,519th2,343rd1,677th
1,455th3,225th729th43rd3,532nd
1,537th1,922nd1,428th3,129th
2,220th1,846th1,855th1,825th3,541st1,420th
Evil Numbers (Long)
1,156th1,443rd705th717th
685th339th637th1,434th559th
669th
460th574th370th
1,259th544th
1,616th510th1,723rd1,256th
1,151st
400th427th
1,335th1,553rd1,360th582nd985th
1,261st
933rd1,667th1,579th39th1,824th
1,970th1,062nd910th1,823rd
553rd515th
576th1,920th812th
Factorial Factorisation
1,076th968th932nd1,047th769th1,083rd990th947th
896th
719th
1,123rd882nd923rd674th
1,009th800th
787th1,233rd
938th
832nd892nd
1,162nd
958th824th
688th1,141st1,065th1,134th906th714th
1,209th814th1,201st848th
622nd749th857th778th
1,053rd1,097th915th578th
Farey Sequence
579th
499th404th
452nd362nd389th
282nd
686th698th
557th
582nd
711th683rd
827th
815th924th
61st771st
513th
717th
643rd
632nd
775th
Fibonacci
2,085th4,258th2,144th1,770th8,904th713th822nd621st4,069th6,002nd4,956th3,346th5,163rd3,647th1,788th1,082nd3,912th5,900th1,110th
4,311th758th8,037th4,298th
3,916th5,682nd790th215th
6,667th6,261st2,354th513th2,418th3,187th1,890th
3,099th349th4,851st54th5,819th1,870th1,884th2,904th2,836th3,999th
2,378th2,333rd2,036th
884th7,905th3,870th
Fizz Buzz
732nd8,459th5,502nd1,140th
1,264th3,567th1,153rd
3,464th11,019th1,848th
4,741st2,972nd1,549th2,714th
7,893rd
4,599th
4,292nd
6,780th
7,347th564th22nd
4,346th4,322nd5,175th
8,213th
4,116th1,811th4,558th
749th
2,203rd4,631st5,219th5,072nd
3,990th8,566th
4,848th10,838th3,407th4,270th
Foo Fizz Buzz Bar
209th
1,326th401st
1,307th1,472nd954th
1,842nd
252nd
740th932nd820th1,631st
962nd
956th
2,196th321st538th
1,876th813th1,159th
824th
22nd
1,319th897th1,672nd1,754th
843rd2,350th
998th
939th
Forsyth–Edwards Notation
207th
577th652nd585th
595th
662nd
493rd
484th
699th
414th
479th
593rd251st
Fractions
1,051st
933rd
589th
1,040th
609th
702nd
309th
1,574th
1,137th
1,409th
378th
1,085th
836th
Game of Life
720th
684th
Gijswijt’s Sequence
206th405th
317th
485th490th
461st
497th
457th293rd
367th
506th
440th
280th
424th
452nd
386th418th370th137th
Happy Numbers
977th1,589th1,706th882nd
806th902nd627th
566th276th803rd512th963rd1,281st584th175th664th431st
403rd
2,096th
682nd642nd
1,947th1,769th
2,295th
2,095th
1,578th
156th463rd1,296th
246th1,573rd1,464th
2,023rd
941st1,085th2,148th811th
Happy Numbers (Long)
1,021st1,225th527th462nd
713th696th520th
1,292nd
918th
1,452nd688th443rd1,358th1,152nd1,391st
149th
1,011th
425th909th
1,083rd
933rd
655th
762nd
269th958th
666th
428th
301st
543rd1,373rd803rd
Hexdump
259th
337th527th379th
575th
103rd
537th
407th
63rd
411th
162nd
Intersection
833rd
722nd
609th
1,081st
364th
157th
1,146th
727th
462nd
Inventory Sequence
959th
912th
906th872nd849th
957th
682nd
699th833rd
992nd
618th
978th
973rd
810th
ISBN
660th296th
375th755th394th
908th
399th944th
873rd
434th
784th
154th226th
396th
847th
1,061st
104th
1,148th
564th
492nd
Jacobi Symbol
489th
507th421st433rd
312th
419th
218th
446th
393rd
Kaprekar Numbers
324th
368th
450th
Kolakoski Constant
1,189th1,052nd881st605th1,519th453rd462nd381st
533rd
550th434th505th1,170th1,112th501st1,098th498th702nd
404th1,532nd
1,221st
858th918th539th
1,382nd
970th942nd569th755th1,355th1,133rd1,310th514th586th1,212th1,456th285th1,478th805th
731st637th834th1,278th551st417th769th331st
Kolakoski Sequence
1,113th
556th704th
705th840th569th
1,065th
263rd
514th624th
205th
339th496th
853rd
914th1,042nd
145th
420th
545th
748th455th
Leap Years
1,539th2,309th2,761st892nd
992nd1,196th635th
1,616th3,257th2,080th
1,721st534th1,238th2,399th1,583rd855th
3,348th1,046th
1,597th2,130th
980th460th
2,826th2,153rd2,707th3,254th2,413th3,173rd3,270th1,575th930th1,618th
1,260th3,199th3,869th3,447th2,181st2,765th
2,042nd2,376th850th
1,866th3,703rd1,530th
Levenshtein Distance
735th
706th
220th
87th
586th
539th
381st
831st
Leyland Numbers
805th
1,101st
772nd535th
1,079th
102nd
436th
786th849th
727th
4th
1,153rd
1,052nd
ln 2
1,194th1,131st1,007th791st1,254th685th705th667th
775th
330th868th739th1,242nd1,210th764th1,320th779th931st
629th1,518th
1,328th
981st1,019th769th
153rd
1,078th885th853rd839th1,501st1,183rd1,440th770th234th1,228th1,477th666th1,464th916th
710th799th969th1,306th746th686th821st651st
Look and Say
1,152nd
486th
782nd742nd
781st
608th
621st
574th
731st
1,082nd
557th
1,060th
1,789th
825th525th
Lucky Numbers
774th
788th
559th
741st
34th
Lucky Tickets
Mahjong
182nd
133rd
126th
Maze
Medal Tally
423rd
496th
454th
396th
471st
473rd
188th
Morse Decoder
425th
744th
538th
529th
542nd
Morse Encoder
623rd
796th
538th
450th
535th
Musical Chords
430th399th
419th
440th
N Queens
342nd
322nd
182nd
Niven Numbers
1,642nd1,483rd1,110th525th
1,210th877th1,269th1,206th1,695th1,228th365th2,392nd264th857th655th756th1,170th1,009th2,477th1,605th672nd
1,965th305th
2,663rd1,160th352nd60th
1,079th1,779th1,223rd329th544th955th1,259th1,472nd619th573rd769th201st1,962nd565th1,434th1,973rd384th
2,204th924th744th2,667th1,311th2,692nd693rd
Niven Numbers (Long)
1,673rd1,610th475th572nd
746th837th839th978th1,060th
671st1,535th1,630th1,107th727th1,290th607th572nd1,419th1,064th714th
1,801st1,343rd
1,547th1,676th696th1,072nd
155th967th1,223rd640th517th627th904th1,805th1,516th1,113th442nd196th1,388th173rd1,417th1,568th461st
814th501st1,017th
806th1,751st1,168th
Number Spiral
351st
545th
243rd446th374th
381st
375th246th
326th409th
360th
395th
498th384th289th
331st
154th
279th
450th
427th
Odious Numbers
2,351st1,771st2,002nd1,173rd
403rd648th685th1,774th1,193rd739th969th2,799th473rd1,187th438th838th1,531st718th
2,298th559th2,224th1,583rd
3,812th708th1,507th506th367th
2,050th1,908th2,179th1,241st2,021st1,933rd1,613th
1,584th3,038th619th41st2,967th
1,734th1,795th1,144th2,800th
1,854th1,956th2,025th1,517th3,080th1,071st
Odious Numbers (Long)
1,497th1,245th602nd778th
440th314th468th1,138th350th
610th
416th586th334th
1,249th491st
1,469th476th1,397th1,061st
567th
397th225th
1,284th1,242nd1,129th422nd659th
1,164th
1,148th1,661st1,429th39th1,722nd
1,814th982nd836th1,685th
501st922nd
544th1,772nd748th
Ordinal Numbers
588th
1,498th917th1,366th
1,274th
767th
264th
165th
1,619th
1,330th
Pangram Grep
667th
1,908th1,321st1,743rd
945th
520th1,681st
1,879th1,504th2,189th
1,320th
768th
1,795th
1,626th1,029th917th
393rd283rd
1,048th
1,698th
120th
1,552nd1,864th
2,418th1,610th
1,357th2,331st1,428th
Pascal’s Triangle
1,089th
1,151st
1,174th770th1,110th
1,630th
944th
1,162nd
709th
1,207th
876th
1,793rd
955th
559th
948th
637th
1,681st
Pernicious Numbers
579th1,261st760th537th2,517th252nd353rd510th1,079th1,161st1,013th309th1,164th229th799th685th724th667th996th954th1,201st635th383rd1,169th1,786th3,056th559th1,300th471st163rd
746th1,450th931st329th486th843rd817th205th275th140th712th35th1,219th100th1,318th438th407th
2,001st2,135th388th567th1,813th870th1,824th601st
Pernicious Numbers (Long)
1,039th
937th983rd
868th562nd711th
380th
469th700th600th688th797th
210th
827th788th922nd989th
75th1,018th565th828th
489th631st
508th
630th915th832nd1,203rd
236th
805th1,096th895th
1,061st
642nd
Poker
209th
391st
96th
Prime Numbers
1,259th2,274th1,652nd680th
1,295th1,771st1,441st1,319th1,361st889th388th2,722nd2,569th1,893rd1,263rd561st1,579th229th
1,023rd1,632nd1,460th303rd5,010th1st529th1,330th346th
1,605th1st
1,461st1,564th1,775th
1,058th1,791st1,577th502nd111th2,485th1,505th847th1,188th613th
2,589th1,142nd2,129th1,740th3,807th1,899th
Prime Numbers (Long)
1,249th2,109th1,011th610th
922nd751st931st
1,121st
383rd
1,175th766th
155th
719th1,039th1,424th
1st
903rd180th
722nd1st
1,076th
1,260th2,013th
102nd2,192nd1,522nd743rd958th1,319th
1,189th
666th2,322nd1,364th
Proximity Grid
475th
QR Decoder
Quine
25th3,814th245th
4,802nd2,243rd3,802nd2,310th4,190th
2,775th1,226th
1,752nd
1,682nd
1,581st
1,472nd
2,654th2,600th1,981st1,820th4,186th1,799th2,089th1,706th1,400th
2,519th1,128th
1,765th1,603rd458th2,723rd
528th
4,920th3,894th5,036th3,224th
1,625th3,133rd
3,800th
2,360th
Recamán
476th
1,202nd945th1,077th
600th
1,034th1,044th
497th
1,164th
642nd
957th
Repeating Decimals
473rd
Reverse Polish Notation
638th
756th
297th
Reversi
244th
340th
233rd
327th
353rd
344th
304th359th323rd162nd
Rijndael S-box
411th
571st408th495th
448th
286th
Rock-paper-scissors-Spock-lizard
146th
327th267th
714th
303rd
367th
646th
431st129th
Roman to Arabic
481st
701st664th610th
284th
763rd
60th
584th
445th
433rd472nd
41st
539th
467th
ROT13
688th
652nd
212th
586th
52nd
Rule 110
763rd
784th
1,093rd
1,006th
Scrambled Sort
433rd
467th
357th474th
Seven Segment
613th
694th815th595th
647th
416th
549th
305th
630th
539th500th
SI Units
226th
239th
199th
Sierpiński Triangle
780th
829th810th
756th931st754th
480th
429th
782nd324th
646th
720th
282nd
842nd
723rd
662nd645th
Smith Numbers
806th
480th
160th
Spelling Numbers
452nd
431st
48th
320th
284th
Star Wars Opening Crawl
282nd
233rd
226th
83rd
Sudoku
465th
373rd
178th
Sudoku (Fill-in)
386th
384th
Ten-pin Bowling
505th
Tic-tac-toe
554th
548th
Time Distance
181st
299th355th
478th
209th
341st
Tongue-twisters
304th
203rd
883rd1,235th973rd
427th
256th
567th1,780th
1,416th
658th
653rd
1,106th226th
246th
373rd
760th
809th
United States
787th
935th
751st
Vampire Numbers
714th
537th
690th636th265th547th
406th
354th
289th
269th638th
371st652nd
317th
274th
Van Eck Sequence
986th
972nd
761st709th611th
940th
971st
1,098th
881st
1,053rd
840th
966th
Zodiac Signs
555th
554th
γ
685th944th724th337th580th195th397th96th
213th
558th432nd437th1,220th1,122nd129th1,144th410th873rd
200th1,411th
1,234th
525th982nd540th
1st
823rd707th377th645th1,272nd626th1,295th404th554th899th1,396th212th1,385th765th
505th665th835th743rd304th256th338th163rd
λ
942nd1,399th1,025th418th1,005th102nd260th56th
348th
463rd233rd368th1,846th1,497th202nd1,545th196th1,340th
73rd2,212th
1,688th
675th1,141st354th
2,125th
1,223rd1,119th444th985th1,807th1,155th1,988th270th436th1,441st2,150th226th2,150th1,093rd
796th901st1,317th1,059th386th165th1,469th157th
π
805th2,540th2,083rd1,039th2,790th983rd1,046th866th
1,387th
825th1,580th1,305th2,688th2,624th1,352nd2,931st1,444th1,971st
811th3,679th
2,988th
2,052nd2,134th1,251st1,956th7th
2,323rd1,875th1,698th1,649th568th2,810th3,384th1,425th784th2,730th3,581st542nd658th1,777th
1,200th1,526th1,898th2,875th1,391st964th1,987th904th
τ
1,605th1,558th1,361st891st1,652nd792nd836th754th
994th
696th1,052nd969th1,625th1,588th982nd1,730th1,030th1,285th
685th2,074th
1,768th
1,344th1,388th983rd
76th
1,469th1,302nd1,141st1,119th507th1,684th1,934th1,019th666th1,665th2,029th741st616th1,218th
914th1,068th1,264th1,716th996th774th1,302nd740th
φ
1,705th1,625th1,452nd1,227th1,893rd1,060th535th776th
1,072nd
376th1,211th867th1,001st887th1,191st1,840th1,235th1,354th859th881st2,247th1,102nd1,854th
1,420th1,079th851st
80th
1,556th1,395th1,293rd1,244th1,144th1,790th856th1,216th13th1,735th2,216th1,064th691st1,330th
1,124th1,266th1,373rd1,046th1,168th1,120th1,432nd1,031st
√2
1,966th1,864th1,687th1,398th2,241st1,204th1,055th771st
1,469th
567th1,438th1,037th1,103rd2,071st1,331st2,106th1,433rd1,608th
273rd2,602nd
2,125th
1,648th380th1,372nd
231st
1,742nd1,583rd1,478th1,447th1,133rd1,911th2,359th1,393rd410th2,016th2,532nd1,182nd1,217th1,539th
1,275th1,406th1,618th2,470th1,333rd1,302nd1,520th1,112th
𝑒
2,417th2,342nd1,697th1,402nd2,569th1,215th1,178th1,149th
1,110th
632nd1,401st1,307th2,164th2,092nd1,329th2,450th1,394th1,751st
1,078th3,084th
2,576th
206th1,853rd1,729th1,328th
18th
2,006th1,608th1,566th1,484th1,090th2,302nd2,826th1,325th466th2,212th2,969th1,674th942nd1,639th
1,236th1,406th1,767th2,393rd1,346th1,220th1,923rd1,196th1,035th