Happy Numbers (Long) in all languages 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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 145th emgordon154 924 58 14ms 6 Jun 2025 152nd stackofbears 921 33 62ms 14 Mar 2025 153rd HPWiz 🇳🇿 921 53 291ms 18 Mar 2022 154th Shanethegamer 🇺🇸 921 54 1,029ms 21 Sep 2021 155th Shanethegamer 🇺🇸 921 74 161ms 19 Sep 2021 155th GrayJoKing 🇦🇺 921 74 169ms 19 Sep 2021 155th MeWhenI 🇻🇦 921 74 192ms 19 Sep 2021 155th sean-niemann 🇺🇸 921 74 178ms 20 Sep 2021 155th yzhs 🇩🇪 921 74 173ms 5 Nov 2021 155th Steffan153 🇫🇮 921 74 187ms 26 Dec 2022 155th DialFrost 🇸🇬 921 74 153ms 28 Jan 2023 155th scpchicken 🇵🇼 921 74 181ms 7 Mar 2023 155th inventshah 921 74 177ms 26 Sep 2023 155th pardouin 🇫🇷 921 74 177ms 21 Sep 2024 155th LostSyntax21 🇬🇧 921 74 200ms 8 Jan 2025 166th GrayJoKing 🇦🇺 921 83 2ms 23 Oct 2023 167th sean-niemann 🇺🇸 921 102 355ms 26 Sep 2025 167th JayXon 🇺🇸 921 102 360ms 26 Sep 2025 169th GrayJoKing 🇦🇺 920 76 251ms 1 Feb 2023 169th xsot 🇸🇬 920 76 376ms 10 Jun 2023 169th m-tkach 🇺🇦 920 76 128ms 24 Aug 2023 169th sunleonid 920 76 141ms 3 hours ago 173rd ovs-code 🇩🇪 920 102 57ms 19 Jun 2024 173rd JayXon 🇺🇸 920 102 55ms 19 Jun 2024 175th Steffan153 🇫🇮 919 63 138ms 22 Aug 2024 175th sean-niemann 🇺🇸 919 63 146ms 22 Aug 2024 175th JayXon 🇺🇸 919 63 149ms 23 Aug 2024 175th lukegustafson 🇺🇸 919 63 137ms 12 Sep 2024 175th emplv 🇱🇻 919 63 135ms 17 Jul 2025 180th ovs-code 🇩🇪 918 73 921ms 15 Jan 2024 180th sisyphus-ppcg 🇦🇺 918 73 1,443ms 16 Jan 2024 180th bizy-coder 918 73 967ms 3 Oct 2024 180th sean-niemann 🇺🇸 918 73 493ms 23 Dec 2024 184th DialFrost 🇸🇬 917 68 171ms 2 Jul 2025 184th ovs-code 🇩🇪 917 68 404ms 2 Jul 2025 186th ovs-code 🇩🇪 916 63 73ms 12 Sep 2024 186th GrayJoKing 🇦🇺 916 63 79ms 13 Sep 2024 186th error256 916 63 68ms 13 Sep 2024 186th Kacarott 🇦🇺 916 63 76ms 20 Sep 2024 186th primo-ppcg 🇹🇭 916 63 74ms 5 Apr 2025 191st Lydxn 🇨🇦 915 109 127ms 23 May 2022 191st JayXon 🇺🇸 915 109 130ms 23 May 2022 191st r-brinke 🇳🇱 915 109 134ms 29 Jul 2022 191st acotis 915 109 124ms 24 days ago 195th JayXon 🇺🇸 915 130 264ms 20 Sep 2021 195th Lydxn 🇨🇦 915 130 261ms 2 Oct 2021 195th Steffan153 🇫🇮 915 130 250ms 3 Dec 2022 195th emplv 🇱🇻 915 130 260ms 12 Jan 2023 195th MeWhenI 🇻🇦 915 130 261ms 9 Feb 2023 195th nwellnhof 🇩🇪 915 130 264ms 2 Mar 2023 195th stefangimmillaro 915 130 266ms 14 Jun 2023 195th Shanethegamer 🇺🇸 915 130 255ms 21 Nov 2023 195th sean-niemann 🇺🇸 915 130 262ms 6 Dec 2023 195th Yewzir 🇧🇪 915 130 256ms 9 Jan 2024 195th jared-hughes 915 130 259ms 27 Feb 2024 195th KasperKivimaeki 🇫🇮 915 130 252ms 4 Oct 2025 195th CaedenHarper 🇨🇦 915 130 270ms 16 days ago 208th btnlq 914 59 4ms 5 Nov 2022 209th Natanaelel 🇸🇪 912 41 233ms 7 Oct 2021 210th nwellnhof 🇩🇪 912 103 368ms 25 Sep 2025 211th primo-ppcg 🇹🇭 909 79 13ms 20 May 2023 212th JayXon 🇺🇸 909 89 572ms 12 Sep 2022 212th btnlq 909 89 646ms 12 Sep 2022 212th Lydxn 🇨🇦 909 89 564ms 12 Sep 2022 215th annaproxy 908 75 147ms 12 Jan 2022 215th rak1507 🇬🇧 908 75 183ms 23 Feb 2022 215th alomiF 908 75 164ms 5 Oct 2023 215th snoozingnewt 🇺🇸 908 75 184ms 1 Sep 2024 215th Natanaelel 🇸🇪 908 75 194ms 8 May 2025 220th GolfingSuccess 🇬🇷 908 77 180ms 19 Sep 2021 220th orthoplex 🇨🇽 908 77 153ms 1 Apr 2022 220th nwellnhof 🇩🇪 908 77 20ms 8 Aug 2022 220th bricknellj 908 77 167ms 20 Dec 2022 220th bob-th 908 77 174ms 24 Jan 2023 220th AlephSquirrel 908 77 183ms 27 Jan 2023 First Prev 151–225 of 1,997 Next Last