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 673rd dokutan 867 70 23 Jan 2024 677th msbranicky 867 117 8 Sep 2023 678th lynn 865 34 13 Apr 2021 678th jared-hughes 865 34 30 Sep 2021 678th Natanaelel 🇸🇪 865 34 28 Nov 2023 678th primo-ppcg 🇹🇭 865 34 24 Mar 2025 682nd DialFrost 🇸🇬 865 73 12 Oct 2023 683rd MeWhenI 🇻🇦 864 61 23 May 2023 683rd GrayJoKing 🇦🇺 864 61 15 Jan 2024 683rd namelessiw 864 61 5 Mar 2024 683rd neel11235813 864 61 10 Mar 2024 683rd duckyluuk 🇳🇱 864 61 14 Jul 2024 683rd b-illy 🇬🇧 864 61 14 Sep 2024 683rd DialFrost 🇸🇬 864 61 26 Dec 2024 683rd fuzzylojik-golf 🇺🇸 864 61 19 hours ago 691st annaproxy 863 46 18 Feb 2022 692nd Yewzir 🇧🇪 863 135 23 Apr 2023 693rd emplv 🇱🇻 862 67 28 Mar 2025 694th duckyluuk 🇳🇱 862 70 26 Oct 2024 695th Steffan153 🇫🇮 862 81 3 Feb 2023 695th GrayJoKing 🇦🇺 862 81 12 Feb 2023 697th ovs-code 🇩🇪 862 95 10 Jan 2023 698th MeWhenI 🇻🇦 862 98 28 Aug 2024 699th jared-hughes 862 100 20 Jul 2022 700th MeWhenI 🇻🇦 861 78 27 Dec 2022 701st emgordon154 859 58 22 Dec 2021 702nd treeowl 859 79 27 Feb 2019 702nd user189032 859 79 29 May 2019 702nd cbrt-x 859 79 15 Sep 2023 705th gilufin 857 55 30 May 2021 705th Natanaelel 🇸🇪 857 55 10 May 2023 707th DaCuteRaccoon 857 65 30 Nov 2022 707th snoozingnewt 🇺🇸 857 65 1 Sep 2024 707th LostSyntax21 🇬🇧 857 65 8 Jan 2025 710th m-tkach 🇺🇦 857 77 5 Dec 2023 711th Jacob385 857 136 21 Feb 2025 712th GrayJoKing 🇦🇺 856 70 20 Sep 2021 712th 0x24a537r9 856 70 10 Sep 2022 714th ovs-code 🇩🇪 855 44 31 Dec 2023 715th JDiLenarda 🇫🇷 854 71 9 Oct 2020 716th stefangimmillaro 853 66 15 Jul 2023 717th MeWhenI 🇻🇦 853 101 8 May 2022 717th janbehrens 🇩🇪 853 101 26 Nov 2023 719th MeWhenI 🇻🇦 852 75 20 Jun 2022 719th sean-niemann 🇺🇸 852 75 19 Nov 2024 721st clockworknazo 851 82 13 Oct 2022 721st ovs-code 🇩🇪 851 82 7 Feb 2023 721st Lydxn 🇨🇦 851 82 28 Feb 2023 724th ovs-code 🇩🇪 850 62 2 Mar 2024 724th CaedenHarper 🇨🇦 850 62 1 Feb 2025 726th MeWhenI 🇻🇦 850 71 24 Oct 2024 726th sean-niemann 🇺🇸 850 71 30 Oct 2024 728th DialFrost 🇸🇬 850 79 26 Dec 2024 729th ScottHamper 850 86 21 Nov 2021 730th ovs-code 🇩🇪 849 68 3 Aug 2024 731st RussellEmerine 849 80 30 Nov 2019 731st Natanaelel 🇸🇪 849 80 31 Mar 2022 733rd NewDefectus 🇮🇱 849 84 16 Dec 2021 734th btnlq 847 68 16 Jul 2023 735th DialFrost 🇸🇬 846 78 26 Dec 2024 736th lynn 845 59 25 May 2022 736th DialFrost 🇸🇬 845 59 26 Dec 2024 738th dokutan 845 102 14 Apr 2024 739th jared-hughes 844 71 29 Oct 2021 739th stefangimmillaro 844 71 27 Aug 2022 739th Maznek 844 71 19 Jun 2023 742nd Frowny 843 72 3 Jul 2020 742nd lifthrasiir 🇰🇷 843 72 13 Nov 2024 744th Lydxn 🇨🇦 843 83 10 Oct 2023 744th ovs-code 🇩🇪 843 83 10 Oct 2023 746th prplz 🇦🇺 843 96 30 Apr 2022 746th elgan65536 843 96 11 Nov 2023 748th villfa 842 75 30 Nov 2018 748th LostSyntax21 🇬🇧 842 75 8 Jan 2025 750th primo-ppcg 🇹🇭 841 67 27 Mar 2021 Prev 676–750 of 2,857 Next