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 Trinomial Triangle 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 Smooth Numbers Snake Sphenic Numbers 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 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 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 Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time 894th tayloia 🇬🇧 800 75 11 May 2023 894th Yewzir 🇧🇪 800 75 6 Dec 2023 903rd somebody1234 800 95 20 Nov 2018 903rd dokutan 800 95 15 Jan 2024 903rd Yewzir 🇧🇪 800 95 6 Feb 2024 906th jared-hughes 800 104 12 days ago 907th adoxography 799 59 22 Jul 2018 907th flavono123 799 59 19 Dec 2019 907th rbviz 799 59 29 Mar 2021 907th Shanethegamer 🇺🇸 799 59 13 Sep 2021 907th OhmNomNom 799 59 13 Oct 2022 907th tatzyr 🇯🇵 799 59 5 Apr 2025 913th lynn 799 66 17 Feb 2024 914th cbondurant 799 76 10 May 2021 914th bob-th 799 76 24 Jan 2023 916th dokutan 798 83 27 Mar 2024 917th GrayJoKing 🇦🇺 795 88 9 Oct 2023 918th marcin7Cd 793 90 17 May 2020 918th dokutan 793 90 1 May 2024 920th cure-honey 🇯🇵 792 85 15 Jul 2021 920th primo-ppcg 🇹🇭 792 85 14 Jan 2025 922nd roavin 790 93 16 May 2022 923rd kevlened 789 76 22 Oct 2018 923rd emgordon154 789 76 22 Dec 2021 923rd inventshah 789 76 6 May 2022 923rd KrausRaus 🇺🇸 789 76 26 May 2022 923rd helbling 🇨🇭 789 76 4 Jul 2024 928th ahmetdemirag 🇨🇾 789 77 11 Feb 2025 929th GrayJoKing 🇦🇺 789 85 1 Mar 2021 930th albanian-laundromat 787 67 10 Aug 2025 931st Andriamanitra 🇫🇮 786 60 20 Jul 2022 932nd Shanethegamer 🇺🇸 786 89 9 Oct 2023 932nd MeWhenI 🇻🇦 786 89 10 Oct 2023 934th Irratix 🇳🇱 784 91 19 Dec 2021 935th MeWhenI 🇻🇦 783 63 11 Nov 2021 936th SirBogman 🇺🇸 783 86 2 Nov 2022 937th CaedenHarper 🇨🇦 782 71 25 days ago 938th gnuvince 781 32 2 Aug 2024 938th codereport 🇨🇦 781 32 21 Apr 2025 940th FlyingPenguin223 781 86 27 Oct 2024 941st guliyevemil1 🇦🇿 781 87 20 Apr 2020 941st strout 781 87 15 Dec 2023 943rd Shanethegamer 🇺🇸 780 74 19 Aug 2024 944th aposteriorist 🇨🇦 780 99 27 Feb 2022 944th stackofbears 780 99 5 Mar 2022 946th Natanaelel 🇸🇪 779 64 19 Sep 2021 947th jakobwitte 779 77 21 Mar 2018 947th j55d 779 77 29 Sep 2018 947th Mikaeel66 779 77 11 Nov 2019 947th ArmaanAS 779 77 8 Mar 2021 947th Re-Adventures 🇮🇳 779 77 18 May 2021 952nd Waffle3z 779 78 9 Jul 2021 952nd snydej 779 78 22 Nov 2024 952nd InigoK 🇺🇸 779 78 5 Sep 2025 955th KatieLG 🇬🇧 778 51 9 Dec 2020 955th msbranicky 778 51 27 Jul 2023 955th dokutan 778 51 11 Nov 2023 955th AlephSquirrel 778 51 27 Jan 2025 959th Irratix 🇳🇱 778 111 3 Jan 2022 960th msbranicky 777 90 11 Oct 2023 961st galloj 🇨🇿 777 107 28 Aug 2022 962nd bastatom 776 131 25 Feb 2024 963rd yzhs 🇩🇪 775 38 21 Jun 2022 964th robymus 773 61 17 Sep 2018 965th Shanethegamer 🇺🇸 772 60 9 Mar 2023 966th albanian-laundromat 772 72 10 days ago 967th dpatterbee 770 132 24 Aug 2020 968th shuding 769 78 4 May 2020 968th igmcdowell 769 78 20 Dec 2021 968th dylanarmstrong 769 78 24 Jan 2024 971st Eilonlif 🇮🇱 769 79 20 Feb 2023 971st fkantelberg 769 79 22 Jul 2023 971st fgrosshans 🇫🇷 769 79 23 Jul 2024 971st EnTerr 769 79 1 Sep 2024 971st jipsong 🇩🇪 769 79 20 Jun 2025 First Prev 901–975 of 3,061 Next Last