Happy Numbers in all languages in chars.Cheevos Holes Recent Holes Langs Medals Misc All Holes12 Days of Christmas24 Game99 Bottles of BeerAbundant NumbersAbundant Numbers (Long)Arabic to RomanArithmetic NumbersArrowsAscending PrimesASCII TablebrainfuckCatalan NumbersCatalan’s ConstantChristmas TreesCollatzCSS ColorsCubesDay of WeekDFA SimulatorDiamondsDivisorsEmirp NumbersEmirp Numbers (Long)EmojifyEvil NumbersEvil Numbers (Long)Factorial FactorisationFarey SequenceFibonacciFizz BuzzFoo Fizz Buzz BarForsyth–Edwards NotationFractionsGame of LifeGijswijt’s SequenceHappy NumbersHappy Numbers (Long)HexdumpIntersectionInventory SequenceISBNJacobi SymbolKolakoski ConstantKolakoski SequenceLeap YearsLevenshtein DistanceLeyland Numbersln 2Look and SayLucky NumbersLucky TicketsMahjongMazeMedal TallyMorse DecoderMorse EncoderMusical ChordsN QueensNiven NumbersNiven Numbers (Long)Number SpiralOdious NumbersOdious Numbers (Long)Ordinal NumbersPangram GrepPascal’s TrianglePernicious NumbersPernicious Numbers (Long)PokerPrime NumbersPrime Numbers (Long)Proximity GridQR DecoderQuineRecamánRepeating DecimalsReverse Polish NotationRijndael S-boxRock-paper-scissors-Spock-lizardRoman to ArabicRule 110Seven SegmentSI UnitsSierpiński TriangleSmith NumbersSpelling NumbersStar Wars Opening CrawlSudokuSudoku v2Ten-pin BowlingTime DistanceTongue-twistersUnited StatesVampire NumbersVan Eck SequenceZodiac Signsγλπτφ√2𝑒 All Languages><>AssemblyAWKBashBASICBerrybrainfuckCC#C++ClojureCOBOLCoconutCrystalDDartElixirF#FactorForthFortranGoGolfScriptHaskellHexagonyJJanetJavaJavaScriptJuliaKLispLuaNimOCamlPascalPerlPHPPowerShellPrologPythonRRakuRockstarRubyRustsedSQLSwiftTclTeXVVimLWrenZig Bytes CharsScoringBytes CharsLanguageAll ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren ZigHoleAll 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table brainfuck Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Intersection Inventory Sequence ISBN Jacobi Symbol Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒#GolferLangPointsCharsTime60th Kacarott 🇦🇺Factor94437a day ago62nd JayXon 🇺🇸C#9435721 Nov 202162nd Lydxn 🇨🇦C#9435721 Nov 202162nd nwellnhof 🇩🇪C#9435721 Nov 202162nd prplz 🇦🇺C#9435721 Nov 202162nd ScottHamperC#9435721 Nov 202162nd tomtheisen 🇺🇸C#9435721 Nov 202162nd btnlqC#9435710 Mar 202362nd AdrienHacheC#9435730 May 202362nd stefangimmillaroC#9435715 Jul 202362nd MeWhenI 🇻🇦C#9435726 Jul 202362nd namelessiwC#9435712 Dec 202373rd FrownyJ9422928 Jun 202074th Lydxn 🇨🇦Haskell942614 Jul 202275th primo-ppcg 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2022103rd JayXon 🇺🇸Wren9235210 Sep 2022103rd btnlqWren9235211 Sep 2022106th lynnProlog9235415 Nov 2021106th MeWhenI 🇻🇦Prolog9235415 Nov 2021106th Lydxn 🇨🇦Prolog9235416 Nov 2021106th GrayJoKing 🇦🇺Prolog9235418 Nov 2021106th btnlqProlog9235418 Nov 2021106th annaproxyProlog923545 Jan 2022106th JayXon 🇺🇸Prolog9235415 Feb 2022106th Steffan153 🇫🇮Prolog9235425 Sep 2022106th IanUtleyProlog9235417 Nov 2022106th Yewzir 🇧🇪Prolog9235411 Nov 2023106th BetuaredeadProlog9235412 Nov 2023117th Lydxn 🇨🇦C++923742 Jan 2022117th JayXon 🇺🇸C++923747 Mar 2022119th primo-ppcg 🇹🇭Java92310724 Apr 2020119th nwellnhof 🇩🇪Java92310724 Apr 2020Prev 61–120 of 2,333 Next