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 901st adoxography 799 59 22 Jul 2018 901st flavono123 799 59 19 Dec 2019 901st rbviz 799 59 29 Mar 2021 901st Shanethegamer 🇺🇸 799 59 13 Sep 2021 901st OhmNomNom 799 59 13 Oct 2022 901st tatzyr 🇯🇵 799 59 5 Apr 2025 907th lynn 799 66 17 Feb 2024 908th cbondurant 799 76 10 May 2021 908th bob-th 799 76 24 Jan 2023 910th inventshah 799 146 17 Jun 2022 910th dokutan 799 146 22 Jan 2024 912th dokutan 797 83 27 Mar 2024 913th GrayJoKing 🇦🇺 795 88 9 Oct 2023 914th Irratix 🇳🇱 794 147 11 Dec 2021 915th cure-honey 🇯🇵 792 85 15 Jul 2021 915th primo-ppcg 🇹🇭 792 85 14 Jan 2025 917th marcin7Cd 792 90 17 May 2020 917th dokutan 792 90 1 May 2024 919th kevlened 789 76 22 Oct 2018 919th emgordon154 789 76 22 Dec 2021 919th inventshah 789 76 6 May 2022 919th KrausRaus 🇺🇸 789 76 26 May 2022 919th helbling 🇨🇭 789 76 4 Jul 2024 924th ahmetdemirag 🇨🇾 789 77 11 Feb 2025 925th GrayJoKing 🇦🇺 789 85 1 Mar 2021 926th roavin 789 93 16 May 2022 927th albanian-laundromat 787 67 27 days ago 928th Andriamanitra 🇫🇮 786 60 20 Jul 2022 929th Shanethegamer 🇺🇸 786 89 9 Oct 2023 929th MeWhenI 🇻🇦 786 89 10 Oct 2023 931st Irratix 🇳🇱 784 91 19 Dec 2021 932nd MeWhenI 🇻🇦 783 63 11 Nov 2021 933rd SirBogman 🇺🇸 783 86 2 Nov 2022 934th gnuvince 781 32 2 Aug 2024 934th codereport 🇨🇦 781 32 21 Apr 2025 936th FlyingPenguin223 781 86 27 Oct 2024 937th guliyevemil1 🇦🇿 781 87 20 Apr 2020 937th strout 781 87 15 Dec 2023 939th Shanethegamer 🇺🇸 780 74 19 Aug 2024 940th Natanaelel 🇸🇪 779 64 19 Sep 2021 941st jakobwitte 779 77 21 Mar 2018 941st j55d 779 77 29 Sep 2018 941st Mikaeel66 779 77 11 Nov 2019 941st ArmaanAS 779 77 8 Mar 2021 941st Re-Adventures 🇮🇳 779 77 18 May 2021 946th Waffle3z 779 78 9 Jul 2021 946th snydej 779 78 22 Nov 2024 946th InigoK 🇺🇸 779 78 8 hours ago 949th aposteriorist 🇨🇦 779 99 27 Feb 2022 949th stackofbears 779 99 5 Mar 2022 951st KatieLG 🇬🇧 778 51 9 Dec 2020 951st msbranicky 778 51 27 Jul 2023 951st dokutan 778 51 11 Nov 2023 951st AlephSquirrel 778 51 27 Jan 2025 955th msbranicky 777 90 11 Oct 2023 956th galloj 🇨🇿 777 107 28 Aug 2022 957th Irratix 🇳🇱 777 111 3 Jan 2022 958th bastatom 776 131 25 Feb 2024 959th yzhs 🇩🇪 774 38 21 Jun 2022 960th robymus 773 61 17 Sep 2018 961st Shanethegamer 🇺🇸 772 60 9 Mar 2023 962nd dpatterbee 770 132 24 Aug 2020 963rd shuding 769 78 4 May 2020 963rd igmcdowell 769 78 20 Dec 2021 963rd dylanarmstrong 769 78 24 Jan 2024 966th Eilonlif 🇮🇱 769 79 20 Feb 2023 966th fkantelberg 769 79 22 Jul 2023 966th fgrosshans 🇫🇷 769 79 23 Jul 2024 966th EnTerr 769 79 1 Sep 2024 966th jipsong 🇩🇪 769 79 20 Jun 2025 971st bluebear94 768 49 12 Feb 2018 971st prplz 🇦🇺 768 49 27 Sep 2021 973rd dokutan 768 87 23 Jul 2025 974th neihousaigaai 768 152 8 May 2021 975th yzhs 🇩🇪 767 65 3 Aug 2021 Prev 901–975 of 3,004 Next