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 Smooth 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 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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 901st dokutan 798 83 27 Mar 2024 902nd GrayJoKing 🇦🇺 795 88 9 Oct 2023 903rd marcin7Cd 793 90 17 May 2020 903rd dokutan 793 90 1 May 2024 905th cure-honey 🇯🇵 792 85 15 Jul 2021 905th primo-ppcg 🇹🇭 792 85 14 Jan 2025 907th kevlened 789 76 22 Oct 2018 907th emgordon154 789 76 22 Dec 2021 907th inventshah 789 76 6 May 2022 907th KrausRaus 🇺🇸 789 76 26 May 2022 907th helbling 🇨🇭 789 76 4 Jul 2024 912th ahmetdemirag 🇨🇾 789 77 11 Feb 2025 913th GrayJoKing 🇦🇺 789 85 1 Mar 2021 914th roavin 789 93 16 May 2022 915th albanian-laundromat 787 67 10 Aug 2025 916th Andriamanitra 🇫🇮 786 60 20 Jul 2022 917th Shanethegamer 🇺🇸 786 89 9 Oct 2023 917th MeWhenI 🇻🇦 786 89 10 Oct 2023 919th Irratix 🇳🇱 784 91 19 Dec 2021 920th MeWhenI 🇻🇦 783 63 11 Nov 2021 921st SirBogman 🇺🇸 783 86 2 Nov 2022 922nd CaedenHarper 🇨🇦 782 71 12 days ago 923rd gnuvince 781 32 2 Aug 2024 923rd codereport 🇨🇦 781 32 21 Apr 2025 925th FlyingPenguin223 781 86 27 Oct 2024 926th guliyevemil1 🇦🇿 781 87 20 Apr 2020 926th strout 781 87 15 Dec 2023 928th Shanethegamer 🇺🇸 780 74 19 Aug 2024 929th aposteriorist 🇨🇦 780 99 27 Feb 2022 929th stackofbears 780 99 5 Mar 2022 931st Natanaelel 🇸🇪 779 64 19 Sep 2021 932nd jakobwitte 779 77 21 Mar 2018 932nd j55d 779 77 29 Sep 2018 932nd Mikaeel66 779 77 11 Nov 2019 932nd ArmaanAS 779 77 8 Mar 2021 932nd Re-Adventures 🇮🇳 779 77 18 May 2021 937th Waffle3z 779 78 9 Jul 2021 937th snydej 779 78 22 Nov 2024 937th InigoK 🇺🇸 779 78 18 days ago 940th KatieLG 🇬🇧 778 51 9 Dec 2020 940th msbranicky 778 51 27 Jul 2023 940th dokutan 778 51 11 Nov 2023 940th AlephSquirrel 778 51 27 Jan 2025 944th msbranicky 777 90 11 Oct 2023 945th galloj 🇨🇿 777 107 28 Aug 2022 946th Irratix 🇳🇱 777 111 3 Jan 2022 947th bastatom 776 131 25 Feb 2024 948th yzhs 🇩🇪 774 38 21 Jun 2022 949th robymus 773 61 17 Sep 2018 950th Shanethegamer 🇺🇸 772 60 9 Mar 2023 951st dpatterbee 770 132 24 Aug 2020 952nd shuding 769 78 4 May 2020 952nd igmcdowell 769 78 20 Dec 2021 952nd dylanarmstrong 769 78 24 Jan 2024 955th Eilonlif 🇮🇱 769 79 20 Feb 2023 955th fkantelberg 769 79 22 Jul 2023 955th fgrosshans 🇫🇷 769 79 23 Jul 2024 955th EnTerr 769 79 1 Sep 2024 955th jipsong 🇩🇪 769 79 20 Jun 2025 960th bluebear94 768 49 12 Feb 2018 960th prplz 🇦🇺 768 49 27 Sep 2021 962nd dokutan 768 87 23 Jul 2025 963rd yzhs 🇩🇪 767 65 3 Aug 2021 964th elgan65536 767 93 28 Nov 2023 964th Bmrl7 767 93 29 Feb 2024 966th NewDefectus 🇮🇱 766 62 6 Jun 2021 967th billings7 🇬🇧 765 96 21 May 2024 968th dokutan 764 69 14 Apr 2024 969th Irratix 🇳🇱 764 89 23 Sep 2021 970th emgordon154 764 101 26 May 2025 971st hrubymar10 764 133 27 Feb 2024 971st CaedenHarper 🇨🇦 764 133 12 Dec 2024 973rd MichalMarsalek 🇨🇿 762 88 30 Nov 2022 974th FlyingPenguin223 761 62 16 Nov 2023 975th albanian-laundromat 761 73 24 days ago Prev 901–975 of 3,043 Next