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 670th sean-niemann 🇺🇸 872 99 6 Aug 2024 677th JayXon 🇺🇸 872 143 18 days ago 678th edsrzf 🇳🇿 871 95 5 Mar 2025 679th DialFrost 🇸🇬 871 148 12 Jan 2025 679th emgordon154 871 148 12 Jan 2025 679th Shanethegamer 🇺🇸 871 148 13 Jan 2025 679th KatieLG 🇬🇧 871 148 13 Jan 2025 679th HumanoidCPU 871 148 13 Jan 2025 679th dokutan 871 148 13 Jan 2025 679th GolfingSuccess 🇬🇷 871 148 18 Jan 2025 679th ovs-code 🇩🇪 871 148 24 Jan 2025 679th CaedenHarper 🇨🇦 871 148 25 Jan 2025 679th MeWhenI 🇻🇦 871 148 9 Feb 2025 679th pardouin 🇫🇷 871 148 25 Feb 2025 679th albanian-laundromat 871 148 25 Jul 2025 691st AdrienHache 🇫🇷 870 82 7 Jan 2024 691st pardouin 🇫🇷 870 82 8 Oct 2024 691st LostSyntax21 🇬🇧 870 82 8 Jan 2025 691st TeodorDyakov 🇧🇬 870 82 5 Mar 2025 695th primo-ppcg 🇹🇭 869 69 27 Nov 2019 695th jakzo 869 69 5 Sep 2021 695th Shanethegamer 🇺🇸 869 69 25 Apr 2023 698th msbranicky 869 117 8 Sep 2023 699th dcgjb 868 57 6 May 2024 700th ArmaanAS 868 70 8 Mar 2021 700th Hebelub 868 70 5 Jan 2024 700th Dataen 868 70 5 Jan 2024 700th dokutan 868 70 23 Jan 2024 704th lynn 866 34 13 Apr 2021 704th jared-hughes 866 34 30 Sep 2021 704th jonahx 866 34 27 Aug 2022 704th Natanaelel 🇸🇪 866 34 28 Nov 2023 704th primo-ppcg 🇹🇭 866 34 24 Mar 2025 704th SirBogman 🇺🇸 866 34 8 Jul 2025 704th fuzzylojik-golf 🇺🇸 866 34 24 days ago 711th duckyluuk 🇳🇱 866 70 26 Oct 2024 712th DialFrost 🇸🇬 866 73 12 Oct 2023 713th ovs-code 🇩🇪 866 95 10 Jan 2023 714th MeWhenI 🇻🇦 865 61 23 May 2023 715th Steffan153 🇫🇮 865 81 3 Feb 2023 715th GrayJoKing 🇦🇺 865 81 12 Feb 2023 717th GrayJoKing 🇦🇺 864 61 15 Jan 2024 717th namelessiw 864 61 5 Mar 2024 717th neel11235813 864 61 10 Mar 2024 717th duckyluuk 🇳🇱 864 61 14 Jul 2024 717th b-illy 🇬🇧 864 61 14 Sep 2024 717th DialFrost 🇸🇬 864 61 26 Dec 2024 717th fuzzylojik-golf 🇺🇸 864 61 30 May 2025 724th emgordon154 863 30 23 days ago 725th annaproxy 863 46 18 Feb 2022 726th jared-hughes 863 100 20 Jul 2022 727th MeWhenI 🇻🇦 861 78 27 Dec 2022 728th emgordon154 860 58 22 Dec 2021 729th m-tkach 🇺🇦 860 77 5 Dec 2023 730th treeowl 860 79 27 Feb 2019 730th user189032 860 79 29 May 2019 730th cbrt-x 860 79 15 Sep 2023 733rd MeWhenI 🇻🇦 859 98 28 Aug 2024 734th gilufin 858 55 30 May 2021 734th Natanaelel 🇸🇪 858 55 10 May 2023 736th DaCuteRaccoon 858 65 30 Nov 2022 736th snoozingnewt 🇺🇸 858 65 1 Sep 2024 736th LostSyntax21 🇬🇧 858 65 8 Jan 2025 739th GrayJoKing 🇦🇺 857 70 20 Sep 2021 739th 0x24a537r9 857 70 10 Sep 2022 741st stefangimmillaro 856 66 15 Jul 2023 742nd JDiLenarda 🇫🇷 856 71 9 Oct 2020 743rd ovs-code 🇩🇪 855 44 31 Dec 2023 744th MeWhenI 🇻🇦 855 101 8 May 2022 744th janbehrens 🇩🇪 855 101 26 Nov 2023 746th clockworknazo 854 82 13 Oct 2022 746th ovs-code 🇩🇪 854 82 7 Feb 2023 746th Lydxn 🇨🇦 854 82 28 Feb 2023 749th ScottHamper 854 86 21 Nov 2021 750th MeWhenI 🇻🇦 853 71 24 Oct 2024 First Prev 676–750 of 3,059 Next Last