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 Hilbert Curve 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 Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau 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 Hilbert Curve 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 Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 1st Bubbler-4 1,000 72 163ms 20 Feb 2019 1st primo-ppcg 🇹🇭 1,000 72 159ms 9 Oct 2020 1st HPWiz 🇳🇿 1,000 72 178ms 15 Apr 2021 1st lynn 1,000 72 181ms 15 Apr 2021 1st JayXon 🇺🇸 1,000 72 170ms 28 Jun 2021 1st xnor-gate 1,000 72 156ms 22 Dec 2021 1st ovs-code 🇩🇪 1,000 72 164ms 4 Jul 2022 1st btnlq 1,000 72 194ms 15 Oct 2023 1st tobeannouncd 1,000 72 177ms 11 Jan 2024 10th flawr 986 73 187ms 24 Feb 2019 10th GrayJoKing 🇦🇺 986 73 196ms 5 Dec 2020 10th Shanethegamer 🇺🇸 986 73 135ms 15 Jul 2021 10th yzhs 🇩🇪 986 73 149ms 24 Jul 2021 10th sean-niemann 🇺🇸 986 73 149ms 7 Sep 2021 10th MeWhenI 🇻🇦 986 73 153ms 15 Sep 2021 10th sisyphus-ppcg 🇦🇺 986 73 130ms 16 Mar 2022 10th Lydxn 🇨🇦 986 73 165ms 4 Jul 2022 10th DaCuteRaccoon 986 73 175ms 30 Nov 2022 10th DialFrost 🇸🇬 986 73 184ms 28 Jan 2023 10th Steffan153 🇫🇮 986 73 187ms 28 Jan 2023 10th scpchicken 🇵🇼 986 73 174ms 7 Mar 2023 10th pardouin 🇫🇷 986 73 161ms 21 Sep 2024 10th LostSyntax21 🇬🇧 986 73 188ms 8 Jan 2025 24th bforte 973 74 144ms 9 Dec 2018 24th annaproxy 973 74 152ms 12 Jan 2022 24th rak1507 🇬🇧 973 74 157ms 23 Feb 2022 24th snoozingnewt 🇺🇸 973 74 150ms 1 Sep 2024 24th Natanaelel 🇸🇪 973 74 157ms 31 May 2025 29th prplz 🇦🇺 960 75 158ms 12 Oct 2021 29th YAJUE114514 960 75 177ms 30 Jul 2025 31st marcin7Cd 935 77 172ms 11 Mar 2020 31st fuzzylojik-golf 🇺🇸 935 77 153ms 15 Sep 2025 33rd treeowl 911 79 172ms 27 Feb 2019 33rd user189032 911 79 184ms 29 May 2019 33rd cbrt-x 911 79 165ms 15 Sep 2023 36th RussellEmerine 900 80 155ms 30 Nov 2019 36th iczelia 🇩🇪 900 80 173ms 5 days ago 38th Laar 889 81 177ms 1 Apr 2019 38th alomiF 889 81 171ms 5 Oct 2023 38th brimstonetrader 889 81 134ms 26 Jan 2024 41st jared-hughes 878 82 158ms 11 Sep 2023 42nd guliyevemil1 🇦🇿 828 87 149ms 20 Apr 2020 42nd strout 828 87 176ms 15 Dec 2023 44th Irratix 🇳🇱 809 89 166ms 23 Sep 2021 45th boxjelly 791 91 184ms 22 Jan 2021 46th Johannesd3 750 96 154ms 1 Jul 2019 47th achimkrause 742 97 137ms 15 Dec 2019 48th olligobber 🇦🇺 727 99 160ms 20 May 2020 49th yanqui-uxo 720 100 165ms 4 Sep 2018 49th HolmDev 720 100 180ms 3 Sep 2025 51st the-zammers 713 101 131ms 2 Dec 2024 52nd stifflerus 686 105 159ms 12 Sep 2018 52nd Informagier 686 105 186ms 16 Sep 2020 54th anastos 673 107 148ms 23 Jul 2018 55th drbalan 667 108 176ms 20 Jul 2020 56th HallMatthew314 661 109 134ms 14 Feb 2022 57th fruno-bulax 621 116 202ms 16 Feb 2019 58th jtaxen 610 118 137ms 24 Jun 2024 59th gbxdl 600 120 146ms 7 Jan 2021 60th schaeffm 585 123 173ms 8 Oct 2019 60th hjcafaroUC 585 123 174ms 9 Aug 2020 62nd darrell-roberts 558 129 175ms 28 Feb 2020 63rd hymanimy 537 134 182ms 18 Aug 2021 64th mossprescott 529 136 160ms 10 Aug 2018 65th citsur 480 150 164ms 9 Jun 2019 65th Haksell 🇦🇶 480 150 127ms 1 Dec 2019 65th KatieLG 🇬🇧 480 150 103ms 23 Nov 2020 65th mokymok 🇺🇸 480 150 149ms 9 Nov 2021 65th retrohun 480 150 153ms 27 Dec 2022 65th KatieLG-Transpiler 🇬🇧 480 150 129ms 14 May 2023 65th HumanoidCPU 480 150 123ms 13 May 2024 65th Mabeloid 🇳🇴 480 150 109ms 20 Sep 2024 65th CaedenHarper 🇨🇦 480 150 122ms 25 Jan 2025 74th jiaminglimjm 🇲🇾 442 163 162ms 9 Jan 2021 75th zt14427 358 201 102ms 2 May 2023 1–75 of 76 Next Last
