Happy Numbers 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 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 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters 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 Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters 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 Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 601st m-tkach 🇺🇦 879 98 9 Mar 2023 601st annaproxy 879 98 22 Oct 2023 601st Yewzir 879 98 30 Dec 2023 604th primo-ppcg 🇹🇭 877 50 11 Oct 2020 604th o0lit3 🇺🇸 877 50 19 Apr 2021 604th armin-k1 877 50 8 Sep 2021 604th nwellnhof 🇩🇪 877 50 26 Dec 2021 604th Lydxn 🇨🇦 877 50 25 May 2022 604th saito-ta 🇯🇵 877 50 27 May 2022 610th Yewzir 877 79 6 Dec 2023 611th emplv 🇱🇻 877 93 29 Jun 2022 612th primo-ppcg 🇹🇭 874 116 21 Apr 2020 612th kkoenig 874 116 5 Jan 2024 614th primo-ppcg 🇹🇭 873 53 19 Oct 2020 614th MeWhenI 🇻🇦 873 53 15 Feb 2023 616th alo-gin 873 54 19 Oct 2018 616th hrrs01 873 54 14 Apr 2020 616th jared-hughes 873 54 9 Sep 2022 616th ovs-code 🇩🇪 873 54 9 May 2023 620th hemphen 873 84 28 Aug 2022 621st sean-niemann 🇺🇸 872 88 6 Aug 2024 622nd primo-ppcg 🇹🇭 871 77 13 Jul 2021 623rd kg583 🇺🇸 871 97 28 Dec 2024 624th AdrienHache 🇫🇷 870 82 7 Jan 2024 624th snoozingnewt 🇺🇸 870 82 1 Sep 2024 624th pardouin 🇫🇷 870 82 8 Oct 2024 624th LostSyntax21 🇬🇧 870 82 8 Jan 2025 624th TeodorDyakov 🇧🇬 870 82 27 days ago 629th edsrzf 🇳🇿 870 95 5 Mar 2025 630th nwellnhof 🇩🇪 870 99 3 Jan 2022 630th Alex-x90 🇺🇸 870 99 20 Sep 2022 630th Steffan153 🇫🇮 870 99 28 Jan 2023 630th ovs-code 🇩🇪 870 99 3 Jun 2024 630th roupiq 🇵🇱 870 99 8 Jun 2024 630th Herbert00709 🇵🇱 870 99 8 Jun 2024 630th sean-niemann 🇺🇸 870 99 6 Aug 2024 637th janbehrens 🇩🇪 870 134 26 Nov 2023 638th primo-ppcg 🇹🇭 868 69 27 Nov 2019 638th jakzo 868 69 5 Sep 2021 638th Shanethegamer 🇺🇸 868 69 25 Apr 2023 641st DialFrost 🇸🇬 868 148 12 Jan 2025 641st emgordon154 868 148 12 Jan 2025 641st Shanethegamer 🇺🇸 868 148 13 Jan 2025 641st KatieLG 🇬🇧 868 148 13 Jan 2025 641st HumanoidCPU 868 148 13 Jan 2025 641st dokutan 868 148 13 Jan 2025 641st GolfingSuccess 🇬🇷 868 148 18 Jan 2025 641st ovs-code 🇩🇪 868 148 24 Jan 2025 641st CaedenHarper 🇨🇦 868 148 25 Jan 2025 641st MeWhenI 🇻🇦 868 148 9 Feb 2025 641st pardouin 🇫🇷 868 148 25 Feb 2025 652nd dcgjb 867 57 6 May 2024 653rd ArmaanAS 867 70 8 Mar 2021 653rd Hebelub 867 70 5 Jan 2024 653rd Dataen 867 70 5 Jan 2024 653rd dokutan 867 70 23 Jan 2024 657th msbranicky 867 117 8 Sep 2023 658th lynn 865 34 13 Apr 2021 658th jared-hughes 865 34 30 Sep 2021 658th Natanaelel 🇸🇪 865 34 28 Nov 2023 658th primo-ppcg 🇹🇭 865 34 9 days ago 662nd DialFrost 🇸🇬 864 73 12 Oct 2023 663rd annaproxy 863 46 18 Feb 2022 664th MeWhenI 🇻🇦 863 61 23 May 2023 664th GrayJoKing 🇦🇺 863 61 15 Jan 2024 664th namelessiw 863 61 5 Mar 2024 664th neel11235813 863 61 10 Mar 2024 664th duckyluuk 🇳🇱 863 61 14 Jul 2024 664th b-illy 🇬🇧 863 61 14 Sep 2024 664th DialFrost 🇸🇬 863 61 26 Dec 2024 664th edsrzf 🇳🇿 863 61 15 days ago 672nd Yewzir 863 135 23 Apr 2023 673rd emplv 🇱🇻 862 67 5 days ago 674th Steffan153 🇫🇮 862 81 3 Feb 2023 674th GrayJoKing 🇦🇺 862 81 12 Feb 2023 Prev 601–675 of 2,741 Next