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 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 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 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 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 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 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 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 Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 900th dokutan 800 95 15 Jan 2024 900th Yewzir 🇧🇪 800 95 6 Feb 2024 903rd adoxography 799 59 22 Jul 2018 903rd flavono123 799 59 19 Dec 2019 903rd rbviz 799 59 29 Mar 2021 903rd Shanethegamer 🇺🇸 799 59 13 Sep 2021 903rd OhmNomNom 799 59 13 Oct 2022 903rd tatzyr 🇯🇵 799 59 5 Apr 2025 909th lynn 799 66 17 Feb 2024 910th cbondurant 799 76 10 May 2021 910th bob-th 799 76 24 Jan 2023 912th inventshah 799 146 17 Jun 2022 912th dokutan 799 146 22 Jan 2024 914th dokutan 797 83 27 Mar 2024 915th GrayJoKing 🇦🇺 795 88 9 Oct 2023 916th Irratix 🇳🇱 794 147 11 Dec 2021 917th cure-honey 🇯🇵 792 85 15 Jul 2021 917th primo-ppcg 🇹🇭 792 85 14 Jan 2025 919th marcin7Cd 792 90 17 May 2020 919th dokutan 792 90 1 May 2024 921st kevlened 789 76 22 Oct 2018 921st emgordon154 789 76 22 Dec 2021 921st inventshah 789 76 6 May 2022 921st KrausRaus 🇺🇸 789 76 26 May 2022 921st helbling 🇨🇭 789 76 4 Jul 2024 926th ahmetdemirag 🇨🇾 789 77 11 Feb 2025 927th GrayJoKing 🇦🇺 789 85 1 Mar 2021 928th roavin 789 93 16 May 2022 929th albanian-laundromat 787 67 10 Aug 2025 930th Andriamanitra 🇫🇮 786 60 20 Jul 2022 931st Shanethegamer 🇺🇸 786 89 9 Oct 2023 931st MeWhenI 🇻🇦 786 89 10 Oct 2023 933rd Irratix 🇳🇱 784 91 19 Dec 2021 934th MeWhenI 🇻🇦 783 63 11 Nov 2021 935th SirBogman 🇺🇸 783 86 2 Nov 2022 936th gnuvince 781 32 2 Aug 2024 936th codereport 🇨🇦 781 32 21 Apr 2025 938th FlyingPenguin223 781 86 27 Oct 2024 939th guliyevemil1 🇦🇿 781 87 20 Apr 2020 939th strout 781 87 15 Dec 2023 941st Shanethegamer 🇺🇸 780 74 19 Aug 2024 942nd Natanaelel 🇸🇪 779 64 19 Sep 2021 943rd jakobwitte 779 77 21 Mar 2018 943rd j55d 779 77 29 Sep 2018 943rd Mikaeel66 779 77 11 Nov 2019 943rd ArmaanAS 779 77 8 Mar 2021 943rd Re-Adventures 🇮🇳 779 77 18 May 2021 948th Waffle3z 779 78 9 Jul 2021 948th snydej 779 78 22 Nov 2024 948th InigoK 🇺🇸 779 78 2 days ago 951st aposteriorist 🇨🇦 779 99 27 Feb 2022 951st stackofbears 779 99 5 Mar 2022 953rd KatieLG 🇬🇧 778 51 9 Dec 2020 953rd msbranicky 778 51 27 Jul 2023 953rd dokutan 778 51 11 Nov 2023 953rd AlephSquirrel 778 51 27 Jan 2025 957th msbranicky 777 90 11 Oct 2023 958th galloj 🇨🇿 777 107 28 Aug 2022 959th Irratix 🇳🇱 777 111 3 Jan 2022 960th bastatom 776 131 25 Feb 2024 961st yzhs 🇩🇪 774 38 21 Jun 2022 962nd robymus 773 61 17 Sep 2018 963rd Shanethegamer 🇺🇸 772 60 9 Mar 2023 964th dpatterbee 770 132 24 Aug 2020 965th shuding 769 78 4 May 2020 965th igmcdowell 769 78 20 Dec 2021 965th dylanarmstrong 769 78 24 Jan 2024 968th Eilonlif 🇮🇱 769 79 20 Feb 2023 968th fkantelberg 769 79 22 Jul 2023 968th fgrosshans 🇫🇷 769 79 23 Jul 2024 968th EnTerr 769 79 1 Sep 2024 968th jipsong 🇩🇪 769 79 20 Jun 2025 973rd bluebear94 768 49 12 Feb 2018 973rd prplz 🇦🇺 768 49 27 Sep 2021 975th dokutan 768 87 23 Jul 2025 Prev 901–975 of 3,007 Next