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 GPT 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 Colors (Inverse) 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 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 GPT 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 Colors (Inverse) 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 Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 600th NewDefectus 🇮🇱 881 68 16 Dec 2021 602nd Shanethegamer 🇺🇸 881 83 12 May 2023 602nd janbehrens 🇩🇪 881 83 26 Nov 2023 602nd Yewzir 🇧🇪 881 83 11 Feb 2024 605th lynn 881 93 12 Jul 2023 606th benwilliamgraham 880 69 26 Jan 2019 606th OllieBoyne 🇬🇧 880 69 16 Jan 2021 606th eiburns 880 69 20 Jan 2022 606th vishwathg 880 69 16 Aug 2022 606th emirps 880 69 22 Feb 2023 606th Vaekor 880 69 9 Jul 2023 606th AVDestroyer 880 69 4 Sep 2023 606th m42km 880 69 7 Oct 2023 606th elgan65536 880 69 4 Apr 2024 615th MeWhenI 🇻🇦 880 75 12 Sep 2022 615th sean-niemann 🇺🇸 880 75 8 Oct 2024 617th Attero 🇸🇪 880 81 4 May 2020 617th c0d3-4-F00d 🇩🇪 880 81 5 Jan 2022 619th edsrzf 🇳🇿 880 96 30 Dec 2024 620th edsrzf 🇳🇿 879 60 11 Apr 2025 621st emplv 🇱🇻 879 93 29 Jun 2022 622nd m-tkach 🇺🇦 879 98 9 Mar 2023 622nd annaproxy 879 98 22 Oct 2023 622nd Yewzir 🇧🇪 879 98 30 Dec 2023 625th primo-ppcg 🇹🇭 878 50 11 Oct 2020 625th o0lit3 🇺🇸 878 50 19 Apr 2021 625th armin-k1 878 50 8 Sep 2021 625th nwellnhof 🇩🇪 878 50 26 Dec 2021 625th Lydxn 🇨🇦 878 50 25 May 2022 625th saito-ta 🇯🇵 878 50 27 May 2022 631st Yewzir 🇧🇪 878 79 6 Dec 2023 632nd primo-ppcg 🇹🇭 875 116 21 Apr 2020 632nd kkoenig 875 116 5 Jan 2024 634th primo-ppcg 🇹🇭 873 53 19 Oct 2020 634th MeWhenI 🇻🇦 873 53 15 Feb 2023 636th alo-gin 873 54 19 Oct 2018 636th hrrs01 873 54 14 Apr 2020 636th jared-hughes 873 54 9 Sep 2022 636th ovs-code 🇩🇪 873 54 9 May 2023 640th sean-niemann 🇺🇸 873 88 6 Aug 2024 641st primo-ppcg 🇹🇭 872 77 13 Jul 2021 642nd kg583 🇺🇸 871 97 28 Dec 2024 643rd AdrienHache 🇫🇷 870 82 7 Jan 2024 643rd snoozingnewt 🇺🇸 870 82 1 Sep 2024 643rd pardouin 🇫🇷 870 82 8 Oct 2024 643rd LostSyntax21 🇬🇧 870 82 8 Jan 2025 643rd TeodorDyakov 🇧🇬 870 82 5 Mar 2025 648th hemphen 870 84 28 Aug 2022 649th edsrzf 🇳🇿 870 95 5 Mar 2025 650th nwellnhof 🇩🇪 870 99 3 Jan 2022 650th Alex-x90 🇺🇸 870 99 20 Sep 2022 650th Steffan153 🇫🇮 870 99 28 Jan 2023 650th ovs-code 🇩🇪 870 99 3 Jun 2024 650th roupiq 🇵🇱 870 99 8 Jun 2024 650th Herbert00709 🇵🇱 870 99 8 Jun 2024 650th sean-niemann 🇺🇸 870 99 6 Aug 2024 657th janbehrens 🇩🇪 870 134 26 Nov 2023 658th primo-ppcg 🇹🇭 869 69 27 Nov 2019 658th jakzo 869 69 5 Sep 2021 658th Shanethegamer 🇺🇸 869 69 25 Apr 2023 661st dcgjb 868 57 6 May 2024 662nd DialFrost 🇸🇬 868 148 12 Jan 2025 662nd emgordon154 868 148 12 Jan 2025 662nd Shanethegamer 🇺🇸 868 148 13 Jan 2025 662nd KatieLG 🇬🇧 868 148 13 Jan 2025 662nd HumanoidCPU 868 148 13 Jan 2025 662nd dokutan 868 148 13 Jan 2025 662nd GolfingSuccess 🇬🇷 868 148 18 Jan 2025 662nd ovs-code 🇩🇪 868 148 24 Jan 2025 662nd CaedenHarper 🇨🇦 868 148 25 Jan 2025 662nd MeWhenI 🇻🇦 868 148 9 Feb 2025 662nd pardouin 🇫🇷 868 148 25 Feb 2025 673rd ArmaanAS 867 70 8 Mar 2021 673rd Hebelub 867 70 5 Jan 2024 673rd Dataen 867 70 5 Jan 2024 Prev 601–675 of 2,847 Next