Happy Numbers in Haskell in bytes. Cheevos Holes Recent Holes Langs Medals Misc All Holes 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 Billiards brainfuck Card Number Validation 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 Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot 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 PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 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 Billiards brainfuck Card Number Validation 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 Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot 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 PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 1st Bubbler-4 1,000 72 20 Feb 2019 1st primo-ppcg 🇹🇭 1,000 72 9 Oct 2020 1st HPWiz 🇳🇿 1,000 72 15 Apr 2021 1st lynn 1,000 72 15 Apr 2021 1st JayXon 🇺🇸 1,000 72 28 Jun 2021 1st xnor-gate 1,000 72 22 Dec 2021 1st ovs-code 🇩🇪 1,000 72 4 Jul 2022 1st btnlq 1,000 72 15 Oct 2023 1st tobeannouncd 1,000 72 11 Jan 2024 10th flawr 986 73 24 Feb 2019 10th GrayJoKing 🇦🇺 986 73 5 Dec 2020 10th Shanethegamer 🇺🇸 986 73 15 Jul 2021 10th yzhs 🇩🇪 986 73 24 Jul 2021 10th sean-niemann 🇺🇸 986 73 7 Sep 2021 10th MeWhenI 🇻🇦 986 73 15 Sep 2021 10th sisyphus-ppcg 🇦🇺 986 73 16 Mar 2022 10th Lydxn 🇨🇦 986 73 4 Jul 2022 10th DaCuteRaccoon 986 73 30 Nov 2022 10th DialFrost 🇸🇬 986 73 28 Jan 2023 10th Steffan153 🇫🇮 986 73 28 Jan 2023 10th scpchicken 🇵🇼 986 73 7 Mar 2023 10th pardouin 🇫🇷 986 73 21 Sep 2024 10th LostSyntax21 🇬🇧 986 73 8 Jan 2025 24th bforte 973 74 9 Dec 2018 24th annaproxy 973 74 12 Jan 2022 24th rak1507 🇬🇧 973 74 23 Feb 2022 24th snoozingnewt 🇺🇸 973 74 1 Sep 2024 24th Natanaelel 🇸🇪 973 74 31 May 2025 29th prplz 🇦🇺 960 75 12 Oct 2021 29th YAJUE114514 960 75 5 days ago 31st marcin7Cd 935 77 11 Mar 2020 32nd treeowl 911 79 27 Feb 2019 32nd user189032 911 79 29 May 2019 32nd cbrt-x 911 79 15 Sep 2023 35th RussellEmerine 900 80 30 Nov 2019 36th Laar 889 81 1 Apr 2019 36th alomiF 889 81 5 Oct 2023 36th brimstonetrader 889 81 26 Jan 2024 39th jared-hughes 878 82 11 Sep 2023 40th guliyevemil1 🇦🇿 828 87 20 Apr 2020 40th strout 828 87 15 Dec 2023 42nd Irratix 🇳🇱 809 89 23 Sep 2021 43rd boxjelly 791 91 22 Jan 2021 44th Johannesd3 750 96 1 Jul 2019 45th achimkrause 742 97 15 Dec 2019 46th olligobber 🇦🇺 727 99 20 May 2020 47th yanqui-uxo 720 100 4 Sep 2018 48th the-zammers 713 101 2 Dec 2024 49th stifflerus 686 105 12 Sep 2018 49th Informagier 686 105 16 Sep 2020 51st anastos 673 107 23 Jul 2018 52nd drbalan 667 108 20 Jul 2020 53rd HallMatthew314 661 109 14 Feb 2022 54th frunobulax-the-poodle 621 116 16 Feb 2019 55th jtaxen 610 118 24 Jun 2024 56th gbxdl 600 120 7 Jan 2021 57th schaeffm 585 123 8 Oct 2019 57th hjcafaroUC 585 123 9 Aug 2020 59th darrell-roberts 558 129 28 Feb 2020 60th hymanimy 537 134 18 Aug 2021 61st mossprescott 529 136 10 Aug 2018 62nd citsur 480 150 9 Jun 2019 62nd Haksell 🇦🇶 480 150 1 Dec 2019 62nd KatieLG 🇬🇧 480 150 23 Nov 2020 62nd mokymok 🇺🇸 480 150 9 Nov 2021 62nd retrohun 480 150 27 Dec 2022 62nd KatieLG-Transpiler 🇬🇧 480 150 14 May 2023 62nd HumanoidCPU 480 150 13 May 2024 62nd Mabeloid 🇳🇴 480 150 20 Sep 2024 62nd CaedenHarper 🇨🇦 480 150 25 Jan 2025 71st jiaminglimjm 🇲🇾 442 163 9 Jan 2021 72nd zt14427 358 201 2 May 2023 73rd dokutan 353 204 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