12 Days of Christmas
347th
1,585th2,088th1,553rd
1,963rd
1,825th
2,598th
1,691st
987th1,554th1,699th
1,147th
1,070th
889th
1,209th289th
24 Game
528th
99 Bottles of Beer
468th
1,690th1,499th1,124th
702nd
1,576th
1,343rd
1,432nd576th563rd
1,478th
895th
911th631st
Abundant Numbers
676th2,687th2,084th1,773rd
1,101st1,037th583rd
655th1,181st1,383rd3,078th1,789th1,300th1,157th2,471st2,699th1,811th
2,203rd953rd
2,462nd
2,536th
557th693rd
2,854th
2,061st1,386th
765th1,915th
3,297th1,937th3,350th2,275th875th
Abundant Numbers (Long)
1,255th1,794th1,487th619th
1,234th599th1,185th
392nd
719th
1,383rd986th521st
1,439th
1,694th721st
1,723rd
1,777th
525th884th
1,822nd
482nd
1,224th1,565th
696th1,798th1,369th706th
Arabic to Roman
503rd
556th659th404th
289th
784th80th
64th
580th
915th
1,103rd
582nd
396th
558th768th
343rd
Arithmetic Numbers
846th
977th532nd
495th285th514th
783rd
256th
797th528th512th1,518th1,235th
1,182nd291st
368th391st
1,344th
1,092nd999th766th
978th
1,027th
93rd1,321st
901st983rd623rd
669th
591st
929th438th
Arrows
722nd
691st
939th
538th
701st
628th799th
490th
797th
715th519th
Ascending Primes
506th451st
475th
520th559th485th
370th545th507th
497th518th
57th
466th
537th
334th
607th344th
447th
706th303rd445th
691st
641st554th406th354th
ASCII Table
634th
1,059th
951st463rd629th
265th
445th
926th
556th
848th567th914th
432nd
451st
484th
608th
brainfuck
1,083rd
844th
806th
1,087th
489th
Card Number Validation
688th
Catalan Numbers
1,349th
501st
1,169th1,286th695th932nd711th685th916th
1,153rd
561st
791st
215th
943rd331st
443rd
1,129th
730th
467th
1,344th746th
674th
786th
626th
Catalan’s Constant
1,240th1,148th1,053rd871st920th1,114th742nd807th665th
319th
1,203rd915th1,034th1,158th1,134th1,120th1,275th1,119th554th
641st1,532nd
1,292nd
747th781st1,205th
3rd
1,011th765th455th676th1,455th1,090th1,418th1,232nd1,123rd995th1,488th271st1,500th719th
340th427th851st1,206th407th760th692nd646th629th
Christmas Trees
1,841st
946th
1,261st1,458th962nd
1,541st
842nd
769th639th
765th
1,635th
1,379th641st877th
922nd
784th
703rd
145th
2,009th
564th
728th628th
Collatz
546th
1,894th1,145th
1,411th245th910th
2,144th
894th1,442nd
2,435th
1,203rd
2,250th
301st772nd
2,530th1,431st
455th
1,269th
1,876th
1,675th2,073rd2,217th820th
CSS Colors
712th
574th
503rd
1,153rd
92nd
538th
418th
579th
1st
337th
514th
453rd
534th
Cubes
247th
765th
752nd
811th
676th
234th
130th
Day of Week
961st890th
201st744th608th687th
315th
998th829th724th497th555th339th
353rd
520th771st
1,049th
664th
925th176th
58th1,042nd
1,137th964th
1,055th
885th
929th
DFA Simulator
Diamonds
1,066th
786th
773rd
453rd
610th
1,254th
912th
818th
1,186th924th994th
535th
1,567th1,553rd
513th
Divisors
2,274th3,677th1,898th1,942nd
1,985th1,800th2,465th
3,128th
1,798th
1,573rd1,792nd3,618th4,117th2,908th
1,174th
3,292nd
1,388th1,606th
3,395th
1,375th1,778th
1,927th
3,108th2,025th
28th
2,114th
560th
2,509th3,224th
1,151st
2,284th1,354th
Emirp Numbers
2,136th
2,069th1,010th
694th383rd240th
646th407th502nd792nd997th1,289th663rd814th
704th
566th
2,804th
568th1,011th
1,496th2,135th
1,938th
518th340th
429th942nd1,387th
899th1,221st
829th931st
Emirp Numbers (Long)
700th
489th593rd
594th462nd497th
997th
533rd
659th523rd
301st
442nd
779th
946th
941st
372nd
882nd
554th
793rd
614th412th
Emojify
543rd
738th
547th
749th
476th
620th
387th
687th398th
Evil Numbers
2,452nd1,666th2,340th1,727th
769th641st820th2,038th897th945th708th3,276th683rd1,034th611th674th1,678th537th
2,811th740th3,207th2,034th
4,651st1,827th625th563rd457th
1,768th2,833rd2,737th1,701st2,364th2,456th1,824th
1,570th3,338th850th42nd3,628th
1,572nd1,773rd1,547th3,227th
1,538th1,943rd1,970th1,119th3,639th1,543rd1,149th
Evil Numbers (Long)
1,181st1,454th739th750th
701st331st686th1,360th583rd
269th
445th603rd383rd
1,279th562nd
1,625th529th1,721st1,282nd
1,173rd
499th416th
941st1,562nd1,388th619th999th
1,281st
950th1,676th1,591st38th1,820th
1,948th1,104th918th1,825th
571st534th
616th1,909th828th728th
Factorial Factorisation
1,048th921st896th1,005th709th1,075th945th905th
733rd
1,119th
1,127th852nd886th791st
969th760th
745th1,202nd
878th
791st726th
1,153rd
911th772nd
649th1,144th1,026th1,088th859th1,054th
1,182nd772nd1,165th811th
503rd693rd823rd717th
1,011th1,095th866th583rd
Farey Sequence
582nd
519th418th
464th384th399th
367th
681st693rd
573rd
589th
642nd677th
797th
798th888th
81st730th
537th
715th
644th
634th
760th457th
Fibonacci
2,136th4,394th2,203rd1,824th8,851st712th944th595th3,877th6,190th5,118th2,610th5,318th3,763rd1,887th1,159th5,612th6,097th1,182nd
4,429th798th8,005th4,502nd
4,047th5,879th884th196th
6,785th6,453rd2,452nd489th2,492nd3,297th1,928th
3,209th347th5,016th43rd6,017th2,809th1,922nd3,015th2,933rd4,130th
2,437th2,397th2,083rd
1,005th7,889th4,000th2,423rd
Fizz Buzz
1,429th8,815th5,993rd1,547th
2,511th4,550th1,557th
4,339th11,181st1,498th
5,201st4,114th2,643rd4,629th
7,596th
5,220th
4,739th
7,258th
7,719th1,206th127th
4,680th4,772nd5,588th
8,569th
2,171st3,294th5,113th
715th
3,606th5,042nd4,343rd5,594th
4,672nd8,101st
5,310th10,952nd4,235th4,419th
Foo Fizz Buzz Bar
397th
1,692nd599th
1,698th1,806th1,486th
1,558th
321st
1,115th1,436th1,269th2,219th
1,523rd
1,438th
2,296th701st936th
1,977th1,166th1,565th
914th
11th
1,524th1,329th1,235th1,959th
1,313th2,092nd
1,491st
1,437th891st
Forsyth–Edwards Notation
386th
643rd654th641st
593rd
616th
545th
542nd
697th
564th
597th
584th301st
Fractions
1,223rd
1,093rd
581st
1,204th
734th
692nd
337th
1,598th
1,266th
1,477th
606th
1,263rd
889th
Game of Life
710th
690th
Gijswijt’s Sequence
224th424th
324th
430th494th
391st
408th
431st290th
335th
510th
454th
382nd
442nd
474th
380th437th379th148th
Happy Numbers
1,464th2,094th1,688th886th
823rd614th645th
388th590th1,066th901st1,109th1,262nd649th466th358th609th
323rd
1,712th
713th892nd
1,725th1,975th
2,111th
2,164th
1,260th
272nd517th1,526th
481st1,287th1,343rd
1,283rd
1,408th817th2,556th797th782nd
Happy Numbers (Long)
1,066th1,231st632nd562nd
848th818th626th
1,209th
684th
1,497th857th555th1,410th1,177th1,446th
186th
1,039th
412th980th
1,114th
909th
809th
886th
531st993rd
813th
540th
339th
467th1,334th912th449th
Hexdump
368th
444th625th474th
649th
180th
633rd
464th
127th
498th
191st
Intersection
967th
929th
836th
976th
743rd
318th
1,137th
936th
510th
Inventory Sequence
922nd
883rd
871st849th834th
920th
779th
700th813th
894th
760th
943rd
938th
798th676th
ISBN
813th329th
442nd928th460th
631st
472nd1,074th
1,051st
502nd
969th
176th242nd
419th
1,032nd
1,184th
301st
1,232nd
667th
537th
Jacobi Symbol
552nd
569th492nd502nd
484th
491st
354th
520th
438th
Kaprekar Numbers
329th
362nd
319th
Kolakoski Constant
1,474th1,180th1,015th812th877th1,550th784th777th656th
935th
1,065th751st953rd1,146th1,080th744th1,066th876th436th
657th1,522nd
1,224th
827th727th1,100th
1,413th
851st918th547th684th1,353rd1,105th1,288th958th1,093rd1,216th1,432nd300th1,450th756th
658th413th786th1,150th529th721st700th637th632nd
Kolakoski Sequence
1,117th
576th713th
710th843rd628th
1,073rd
466th
526th641st
180th
315th501st
838th
929th1,046th
260th
426th
554th
759th457th
Leap Years
1,659th2,435th2,872nd952nd
1,073rd1,004th698th
1,556th3,362nd1,793rd
1,839th725th1,362nd2,279th1,689th938th
3,428th1,114th
1,747th2,259th
708th477th
2,869th1,875th2,821st3,357th2,532nd3,271st3,374th1,672nd1,020th1,735th
1,389th3,302nd3,529th3,549th2,302nd2,426th
2,175th2,505th925th
2,151st3,749th1,644th1,791st
Levenshtein Distance
803rd
735th
237th
140th
605th
568th
442nd
857th634th
Leyland Numbers
875th
1,093rd
848th653rd
1,046th
150th
564th
871st1,053rd
791st
20th
1,124th
1,067th
523rd
ln 2
1,385th1,158th1,091st959th1,007th1,210th832nd913th810th
1,184th
395th1,407th1,117th1,192nd1,174th1,189th1,287th1,234th877th
745th1,518th
1,295th
932nd813th1,203rd
163rd
1,024th836th794th772nd1,499th1,144th1,435th1,208th366th1,061st1,453rd748th1,471st860th
604th728th919th1,273rd688th831st756th791st792nd
Look and Say
1,199th
516th
894th837th
792nd
853rd
688th
588th
822nd
1,129th
747th
1,130th
957th537th
Lucky Numbers
773rd
788th
766th
741st
131st
747th
Lucky Tickets
Mahjong
157th
158th
Maze
Medal Tally
464th
461st
528th
499th
509th
503rd
197th
Morse Decoder
484th
768th
672nd
659th
601st
Morse Encoder
548th
746th
715th
496th
617th
Musical Chords
428th406th
418th
436th
400th
N Queens
426th
422nd
216th
Niven Numbers
1,785th1,644th992nd449th
1,453rd381st1,413th1,133rd980th1,371st417th2,405th250th1,010th832nd892nd794th718th1,589th1,749th924th
1,778th358th
2,435th663rd690th107th
300th1,676th1,353rd335th529th1,146th1,282nd1,601st750th497th905th269th2,030th513th1,567th1,338th468th
2,241st550th873rd2,663rd732nd2,671st812th1,308th
Niven Numbers (Long)
1,668th1,600th504th547th
866th871st845th1,148th980th
705th1,536th1,625th1,165th769th1,322nd629th547th1,422nd1,085th476th
1,789th1,347th
1,522nd1,673rd514th1,090th
175th954th1,236th692nd570th712th944th1,786th1,515th1,130th658th578th1,388th195th1,416th1,554th496th
854th563rd1,028th
653rd1,741st1,183rd760th
Number Spiral
359th
548th
239th454th378th
316th
495th242nd
331st399th
365th
376th
492nd403rd466th
467th
144th
278th
459th
425th
130th
Odious Numbers
2,400th1,834th2,072nd1,267th
668th325th728th1,676th598th814th573rd2,812th530th1,130th486th564th1,063rd386th
2,336th504th2,278th1,668th
3,745th795th437th373rd405th
1,193rd1,977th2,252nd1,324th1,877th2,004th1,683rd
1,650th3,042nd710th40th2,992nd
1,792nd1,350th1,233rd2,822nd
1,264th2,020th2,101st716th3,085th1,147th889th
Odious Numbers (Long)
1,481st1,260th627th776th
448th300th484th1,052nd408th
367th
420th607th319th
1,264th515th
1,466th492nd1,392nd1,141st
586th
469th211th
890th1,257th1,143rd433rd660th
1,173rd
1,158th1,637th1,430th38th1,693rd
1,764th996th836th1,663rd
530th936th
559th1,736th752nd620th
Ordinal Numbers
687th
1,465th1,100th1,415th
1,272nd
749th
231st
249th
1,622nd
1,418th
1,160th
Pangram Grep
919th
1,620th1,486th1,592nd
1,016th
443rd1,751st
1,918th1,605th2,152nd
1,473rd
1,039th
1,859th
1,696th1,100th1,170th
220th354th
1,271st
1,755th
265th
1,648th1,875th
2,373rd1,686th
1,499th2,286th1,553rd372nd
Pascal’s Triangle
1,107th
1,155th
1,185th814th1,127th
1,654th
1,200th
1,178th
768th
1,283rd
715th
1,696th
989th
803rd
997th
702nd
1,694th968th
Pernicious Numbers
2,831st585th1,253rd813th509th2,450th261st386th526th1,098th1,042nd1,020th338th1,161st239th843rd727th782nd710th929th975th1,191st682nd336th1,188th1,743rd2,986th550th912th651st143rd
777th1,417th960th362nd485th888th860th214th299th121st762nd35th1,248th179th1,284th195th437th
1,937th2,072nd419th573rd1,777th634th1,776th604th945th
Pernicious Numbers (Long)
1,014th
929th969th
863rd543rd734th
394th
465th724th613th645th807th
243rd
830th763rd915th941st
81st997th492nd835th
571st637th
509th
636th908th831st1,174th
369th
726th1,081st940th
1,042nd
646th
548th
Poker
440th
466th
147th
Prime Numbers
1,491st2,456th1,530th848th
1,506th1,037th1,383rd1,542nd738th1,109th458th2,671st2,764th2,026th1,481st691st888th245th
521st1,557th1,693rd313th4,971st1st619th905th340th
1,723rd1st
1,640th563rd1,916th
1,292nd1,921st1,721st592nd109th2,660th1,620th1,042nd217th702nd
1,694th1,402nd2,300th723rd3,927th2,025th1,458th
Prime Numbers (Long)
1,239th2,072nd1,020th589th
924th680th941st
1,112th
395th
1,192nd793rd
148th
801st484th1,377th
1st
725th172nd
1,153rd1st
1,073rd
1,247th1,978th
98th2,140th1,451st767th967th1,309th
1,186th
667th2,253rd1,350th761st
Proximity Grid
472nd
QR Decoder
398th
Quine
1st
3,989th254th
4,942nd2,395th3,938th2,541st4,271st
2,911th614th
1,875th
1,720th
1,567th
1,580th
2,891st2,831st2,149th1,903rd4,339th1,833rd2,238th1,637th1,451st
2,738th1,279th
1,841st1,776th520th2,979th
719th
5,074th4,053rd449th3,478th
1,743rd3,367th
3,956th
1,941st
Recamán
503rd
1,215th990th1,115th
973rd
1,022nd1,085th
830th
1,189th
750th
1,002nd899th
Repeating Decimals
472nd
Reverse Polish Notation
774th
856th
340th
Reversi
297th
333rd
268th
326th
374th
340th
302nd353rd303rd261st
Rijndael S-box
644th
524th472nd491st
484th
339th
702nd
Rock-paper-scissors-Spock-lizard
224th
511th512th
854th
568th
681st
837th
547th193rd
Roman to Arabic
538th
751st701st625th
327th
859th
20th
627th
504th
473rd533rd
87th
587th
518th510th
ROT13
666th
639th
419th
568th
116th
627th
Rule 110
790th
669th
1,089th
1,001st
770th
Scrambled Sort
417th
445th
212th446th
Seven Segment
735th
836th940th723rd
523rd
710th
604th
569th
763rd
636th563rd
SI Units
289th
295th
254th
Sierpiński Triangle
777th
835th816th
749th946th751st
447th
634th
785th333rd
653rd
691st
506th
845th
718th
655th638th
Smith Numbers
799th
344th
195th
806th
Spelling Numbers
379th
465th
46th
375th
321st
Star Wars Opening Crawl
359th
326th
304th
97th
Sudoku
430th
423rd
191st
Sudoku (Fill-in)
393rd
388th
Ten-pin Bowling
525th
Tic-tac-toe
529th
516th
Time Distance
362nd
480th437th
290th
302nd
512th
183rd
Tongue-twisters
552nd
588th
688th794th870th
623rd
824th
598th904th
661st
644th
604th
677th795th
757th
636th
709th
766th477th
United States
765th
906th
878th
580th
Vampire Numbers
844th
541st
620th864th703rd813th
707th
793rd
727th
761st818th
669th857th
755th
750th655th
Van Eck Sequence
972nd
961st
753rd718th619th
1,064th
957th
1,060th
1,037th
1,025th
843rd
952nd466th
Zodiac Signs
547th
546th
γ
1,084th514th612th812th523rd850th775th995th765th
267th
1,127th1,024th1,029th1,215th1,103rd262nd1,134th1,006th427th
880th1,429th
1,228th
696th921st1,133rd
1st
568th800th596th484th1,274th652nd1,347th1,002nd1,119th952nd1,387th248th1,401st784th
299th461st439th386th351st943rd405th254th269th
λ
1,782nd631st700th788th644th1,491st1,093rd1,265th1,072nd
1,301st
1,463rd1,217th1,375th1,801st1,580th1,159th1,625th1,398th554th
1,098th2,233rd
1,731st
989th1,232nd1,416th
2,192nd
587th807th745th526th2,016th843rd1,850th1,224th1,427th894th1,899th297th2,162nd1,171st
403rd501st760th1,376th468th364th565th334th1,044th
π
3,448th823rd2,493rd2,076th1,157th2,828th1,756th1,764th878th
2,614th
1,052nd3,181st2,611th2,727th2,584th2,695th2,901st2,852nd1,957th
1,520th3,672nd
2,958th
2,041st1,669th1,217th1,946th22nd
2,255th1,865th1,620th1,577th590th2,622nd3,392nd2,846th972nd2,459th3,518th1,310th669th1,794th
792nd1,468th1,888th2,763rd1,344th1,728th1,974th1,651st
τ
1,933rd1,597th1,514th1,313th933rd1,644th1,144th1,192nd1,077th
1,562nd
807th1,712th1,565th1,617th1,545th1,593rd1,697th1,693rd1,212th
1,034th2,077th
1,739th
1,293rd1,111th1,595th
77th
1,406th1,249th1,079th1,050th518th1,571st1,949th1,671st784th1,495th2,013th1,033rd621st1,172nd
676th1,004th1,222nd1,649th944th1,132nd1,269th1,099th1,039th
φ
1,881st1,692nd1,574th1,391st1,531st1,908th1,251st556th806th
1,049th
184th1,762nd854th989th884th1,737th1,785th1,830th1,287th853rd878th2,236th1,056th1,807th
1,353rd872nd834th
89th
1,531st1,329th1,227th1,170th1,085th1,664th846th1,776th35th1,622nd2,210th1,217th655th1,261st
943rd1,196th1,305th1,028th1,103rd1,450th1,372nd1,249th830th
√2
2,193rd1,948th1,849th1,642nd1,709th2,285th1,452nd1,087th753rd
2,097th
635th2,100th1,016th1,115th2,046th1,995th2,083rd2,099th1,545th
288th2,612th
2,112th
1,596th370th2,067th
244th
1,709th1,510th1,425th1,390th1,146th1,893rd2,369th2,080th585th1,831st2,537th1,383rd1,206th1,479th
1,064th1,353rd1,563rd2,476th1,284th1,690th1,459th1,420th946th
𝑒
2,802nd2,369th2,313th1,657th1,937th2,530th1,545th1,167th1,391st
1,116th
575th2,537th2,062nd2,100th2,035th2,221st2,406th2,516th1,710th
1,330th3,078th
2,542nd
172nd1,800th1,396th2,218th
16th
1,937th1,569th1,522nd1,422nd1,090th2,254th2,830th2,220th530th2,146th2,973rd1,633rd928th1,600th
988th1,333rd1,726th2,243rd1,283rd1,546th1,854th1,517th1,072nd