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 Minesweeper 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 Binary Lambda Calculus 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 Binary Lambda Calculus 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 676th hemphen 874 84 363ms 28 Aug 2022 677th primo-ppcg 🇹🇭 873 77 1ms 13 Jul 2021 678th nwellnhof 🇩🇪 872 99 51ms 3 Jan 2022 678th Alex-x90 🇺🇸 872 99 53ms 20 Sep 2022 678th Steffan153 🇫🇮 872 99 54ms 28 Jan 2023 678th ovs-code 🇩🇪 872 99 50ms 3 Jun 2024 678th roupiq 🇵🇱 872 99 54ms 8 Jun 2024 678th Herbert00709 🇵🇱 872 99 54ms 8 Jun 2024 678th sean-niemann 🇺🇸 872 99 56ms 6 Aug 2024 685th edsrzf 🇳🇿 871 95 1ms 5 Mar 2025 686th DialFrost 🇸🇬 871 148 1,014ms 12 Jan 2025 686th emgordon154 871 148 871ms 12 Jan 2025 686th Shanethegamer 🇺🇸 871 148 869ms 13 Jan 2025 686th KatieLG 🇬🇧 871 148 858ms 13 Jan 2025 686th HumanoidCPU 871 148 834ms 13 Jan 2025 686th dokutan 871 148 811ms 13 Jan 2025 686th GolfingSuccess 🇬🇷 871 148 826ms 18 Jan 2025 686th ovs-code 🇩🇪 871 148 841ms 24 Jan 2025 686th CaedenHarper 🇨🇦 871 148 828ms 25 Jan 2025 686th MeWhenI 🇻🇦 871 148 838ms 9 Feb 2025 686th pardouin 🇫🇷 871 148 835ms 25 Feb 2025 686th albanian-laundromat 871 148 849ms 25 Jul 2025 698th AdrienHache 🇫🇷 870 82 2ms 7 Jan 2024 698th pardouin 🇫🇷 870 82 2ms 8 Oct 2024 698th LostSyntax21 🇬🇧 870 82 2ms 8 Jan 2025 698th TeodorDyakov 🇧🇬 870 82 2ms 5 Mar 2025 702nd primo-ppcg 🇹🇭 869 69 9ms 27 Nov 2019 702nd jakzo 869 69 11ms 5 Sep 2021 702nd Shanethegamer 🇺🇸 869 69 10ms 25 Apr 2023 705th msbranicky 869 117 266ms 8 Sep 2023 706th dcgjb 868 57 237ms 6 May 2024 707th ArmaanAS 868 70 9ms 8 Mar 2021 707th Hebelub 868 70 10ms 5 Jan 2024 707th Dataen 868 70 10ms 5 Jan 2024 707th dokutan 868 70 10ms 23 Jan 2024 711th duckyluuk 🇳🇱 867 70 2,974ms 26 Oct 2024 712th lynn 866 34 41ms 13 Apr 2021 712th jared-hughes 866 34 34ms 30 Sep 2021 712th Natanaelel 🇸🇪 866 34 43ms 28 Nov 2023 712th primo-ppcg 🇹🇭 866 34 37ms 24 Mar 2025 712th SirBogman 🇺🇸 866 34 36ms 8 Jul 2025 712th fuzzylojik-golf 🇺🇸 866 34 35ms 9 Sep 2025 718th MeWhenI 🇻🇦 866 61 5ms 23 May 2023 719th DialFrost 🇸🇬 866 73 1,405ms 12 Oct 2023 720th ovs-code 🇩🇪 866 95 28ms 10 Jan 2023 721st GrayJoKing 🇦🇺 865 61 401ms 15 Jan 2024 721st namelessiw 865 61 337ms 5 Mar 2024 721st neel11235813 865 61 392ms 10 Mar 2024 721st duckyluuk 🇳🇱 865 61 476ms 14 Jul 2024 721st b-illy 🇬🇧 865 61 398ms 14 Sep 2024 721st DialFrost 🇸🇬 865 61 426ms 26 Dec 2024 721st fuzzylojik-golf 🇺🇸 865 61 402ms 30 May 2025 721st CornerMercury 🇬🇧 865 61 437ms 12 Oct 2025 729th Steffan153 🇫🇮 865 81 3ms 3 Feb 2023 729th GrayJoKing 🇦🇺 865 81 3ms 12 Feb 2023 731st emgordon154 863 30 49ms 10 Sep 2025 732nd annaproxy 863 46 3ms 18 Feb 2022 733rd MeWhenI 🇻🇦 863 98 43ms 28 Aug 2024 734th jared-hughes 863 100 53ms 20 Jul 2022 735th MeWhenI 🇻🇦 861 78 2ms 27 Dec 2022 736th treeowl 861 79 172ms 27 Feb 2019 736th user189032 861 79 184ms 29 May 2019 736th cbrt-x 861 79 165ms 15 Sep 2023 739th emgordon154 860 58 800ms 22 Dec 2021 740th m-tkach 🇺🇦 860 77 3ms 5 Dec 2023 741st DaCuteRaccoon 859 65 3ms 30 Nov 2022 741st snoozingnewt 🇺🇸 859 65 4ms 1 Sep 2024 741st LostSyntax21 🇬🇧 859 65 2ms 8 Jan 2025 744th gilufin 858 55 212ms 30 May 2021 744th Natanaelel 🇸🇪 858 55 38ms 10 May 2023 746th GrayJoKing 🇦🇺 857 70 10ms 20 Sep 2021 746th 0x24a537r9 857 70 11ms 10 Sep 2022 748th stefangimmillaro 856 66 117ms 15 Jul 2023 749th JDiLenarda 🇫🇷 856 71 1,211ms 9 Oct 2020 750th ovs-code 🇩🇪 855 44 149ms 31 Dec 2023 First Prev 676–750 of 3,093 Next Last