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 668th CaedenHarper 🇨🇦 871 148 25 Jan 2025 668th MeWhenI 🇻🇦 871 148 9 Feb 2025 668th pardouin 🇫🇷 871 148 25 Feb 2025 668th albanian-laundromat 871 148 25 Jul 2025 680th AdrienHache 🇫🇷 870 82 7 Jan 2024 680th pardouin 🇫🇷 870 82 8 Oct 2024 680th LostSyntax21 🇬🇧 870 82 8 Jan 2025 680th TeodorDyakov 🇧🇬 870 82 5 Mar 2025 684th primo-ppcg 🇹🇭 869 69 27 Nov 2019 684th jakzo 869 69 5 Sep 2021 684th Shanethegamer 🇺🇸 869 69 25 Apr 2023 687th msbranicky 869 117 8 Sep 2023 688th JayXon 🇺🇸 869 143 9 days ago 689th dcgjb 868 57 6 May 2024 690th ArmaanAS 868 70 8 Mar 2021 690th Hebelub 868 70 5 Jan 2024 690th Dataen 868 70 5 Jan 2024 690th dokutan 868 70 23 Jan 2024 694th duckyluuk 🇳🇱 866 70 26 Oct 2024 695th DialFrost 🇸🇬 866 73 12 Oct 2023 696th ovs-code 🇩🇪 866 95 10 Jan 2023 697th lynn 865 34 13 Apr 2021 697th jared-hughes 865 34 30 Sep 2021 697th Natanaelel 🇸🇪 865 34 28 Nov 2023 697th primo-ppcg 🇹🇭 865 34 24 Mar 2025 697th SirBogman 🇺🇸 865 34 8 Jul 2025 697th fuzzylojik-golf 🇺🇸 865 34 14 days ago 703rd Steffan153 🇫🇮 865 81 3 Feb 2023 703rd GrayJoKing 🇦🇺 865 81 12 Feb 2023 705th MeWhenI 🇻🇦 864 61 23 May 2023 705th GrayJoKing 🇦🇺 864 61 15 Jan 2024 705th namelessiw 864 61 5 Mar 2024 705th neel11235813 864 61 10 Mar 2024 705th duckyluuk 🇳🇱 864 61 14 Jul 2024 705th b-illy 🇬🇧 864 61 14 Sep 2024 705th DialFrost 🇸🇬 864 61 26 Dec 2024 705th fuzzylojik-golf 🇺🇸 864 61 30 May 2025 713th emgordon154 863 30 14 days ago 714th annaproxy 863 46 18 Feb 2022 715th jared-hughes 863 100 20 Jul 2022 716th MeWhenI 🇻🇦 861 78 27 Dec 2022 717th emgordon154 860 58 22 Dec 2021 718th m-tkach 🇺🇦 860 77 5 Dec 2023 719th treeowl 860 79 27 Feb 2019 719th user189032 860 79 29 May 2019 719th cbrt-x 860 79 15 Sep 2023 722nd MeWhenI 🇻🇦 859 98 28 Aug 2024 723rd gilufin 858 55 30 May 2021 723rd Natanaelel 🇸🇪 858 55 10 May 2023 725th DaCuteRaccoon 858 65 30 Nov 2022 725th snoozingnewt 🇺🇸 858 65 1 Sep 2024 725th LostSyntax21 🇬🇧 858 65 8 Jan 2025 728th GrayJoKing 🇦🇺 857 70 20 Sep 2021 728th 0x24a537r9 857 70 10 Sep 2022 730th stefangimmillaro 856 66 15 Jul 2023 731st JDiLenarda 🇫🇷 856 71 9 Oct 2020 732nd ovs-code 🇩🇪 855 44 31 Dec 2023 733rd clockworknazo 854 82 13 Oct 2022 733rd ovs-code 🇩🇪 854 82 7 Feb 2023 733rd Lydxn 🇨🇦 854 82 28 Feb 2023 736th ScottHamper 854 86 21 Nov 2021 737th MeWhenI 🇻🇦 854 101 8 May 2022 737th janbehrens 🇩🇪 854 101 26 Nov 2023 739th MeWhenI 🇻🇦 853 71 24 Oct 2024 739th sean-niemann 🇺🇸 853 71 30 Oct 2024 741st MeWhenI 🇻🇦 853 75 20 Jun 2022 741st sean-niemann 🇺🇸 853 75 19 Nov 2024 743rd DialFrost 🇸🇬 851 79 26 Dec 2024 744th ovs-code 🇩🇪 850 62 2 Mar 2024 744th CaedenHarper 🇨🇦 850 62 1 Feb 2025 746th RussellEmerine 850 80 30 Nov 2019 747th btnlq 849 68 16 Jul 2023 747th ovs-code 🇩🇪 849 68 3 Aug 2024 749th DialFrost 🇸🇬 849 78 26 Dec 2024 750th NewDefectus 🇮🇱 849 84 16 Dec 2021 Prev 676–750 of 3,043 Next