Happy Numbers (Long) in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Tower of Hanoi 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 Continued Fractions Crossword 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 Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 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 Erlang 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 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 Tower of Hanoi 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 Continued Fractions Crossword 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 Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 674th KatieLG 🇬🇧 814 73 14ms 5 Apr 2022 674th emgordon154 814 73 10ms 7 Nov 2024 678th MeWhenI 🇻🇦 813 71 67ms 5 Apr 2025 679th andre-lameirinhas 🇵🇹 813 86 189ms 4 Nov 2021 679th RYNO8 813 86 60ms 16 Aug 2022 679th LeeCamp 813 86 206ms 15 Jan 2023 679th vishwathg 813 86 302ms 4 Feb 2023 679th cros107 🇦🇺 813 86 243ms 11 Oct 2023 679th logvp 813 86 3,042ms 12 Jan 2024 679th Bmrl7 813 86 15ms 29 Feb 2024 679th Grrisly 813 86 262ms 29 Mar 2024 679th SB-945 813 86 19ms 31 Mar 2024 679th resoNathan 813 86 14ms 18 Jul 2024 689th Shanethegamer 🇺🇸 813 100 121ms 19 Sep 2021 689th MichalMarsalek 🇨🇿 813 100 123ms 3 Mar 2022 691st KenanSi 812 32 6ms 24 Feb 2022 691st ashtraypettingzoo 🇺🇸 812 32 5ms 5 Apr 2023 693rd ovs-code 🇩🇪 812 66 11ms 15 Aug 2024 693rd sisyphus-ppcg 🇦🇺 812 66 16ms 19 Aug 2024 695th targrik 811 81 38ms 18 Jul 2025 696th OhmNomNom 810 59 40ms 20 Oct 2022 696th AlephSquirrel 810 59 74ms 14 Apr 2023 696th SirBogman 🇺🇸 810 59 60ms 10 Jan 2024 696th error256 810 59 64ms 13 May 2024 700th Alessandro-Balconi 🇮🇹 810 77 79ms 14 Jul 2023 701st snyderek 🇺🇸 810 116 52ms 6 Oct 2024 702nd elgan65536 810 123 129ms 5 Mar 2024 703rd NewDefectus 🇮🇱 809 54 68ms 15 Dec 2021 703rd LostSyntax21 🇬🇧 809 54 147ms 8 Jan 2025 705th MeWhenI 🇻🇦 809 93 19ms 2 Oct 2022 706th Shanethegamer 🇺🇸 809 100 12ms 10 Sep 2022 707th AlephSquirrel 809 104 4ms 6 Aug 2024 708th Yewzir 🇧🇪 808 83 469ms 15 Jan 2024 709th AlephSquirrel 807 89 14ms 20 Apr 2023 710th MeWhenI 🇻🇦 806 90 2ms 10 Oct 2023 711th frankgraziano 806 232 37ms 31 Oct 2025 712th Steffan153 🇫🇮 805 95 20ms 21 Feb 2023 713th GrayJoKing 🇦🇺 804 72 151ms 3 Aug 2024 714th scpchicken 🇵🇼 804 87 222ms 12 Jan 2022 714th JuliaSzulc 804 87 20ms 16 Mar 2022 714th LHuitre 804 87 21ms 5 Jun 2022 714th betaveros 804 87 378ms 1 Jan 2023 714th croc54 804 87 220ms 8 Jan 2025 714th LostSyntax21 🇬🇧 804 87 196ms 8 Mar 2025 714th andrewjc2000 804 87 19ms 11 Aug 2025 721st jared-hughes 804 124 131ms 10 Nov 2022 721st Re-Adventures 🇮🇳 804 124 125ms 22 Jun 2023 723rd snoozingnewt 🇺🇸 804 148 258ms 4 Feb 2024 724th c0d3-4-F00d 🇩🇪 803 74 11ms 5 Jan 2022 724th Maznek 803 74 11ms 19 Jun 2023 724th thisishowmymindworks 🇳🇴 803 74 108ms 9 Jun 2024 724th snoozingnewt 🇺🇸 803 74 11ms 1 Sep 2024 724th blaztoma 🇱🇹 803 74 11ms 9 days ago 729th GolfingSuccess 🇬🇷 803 117 55ms 19 Mar 2025 730th Natanaelel 🇸🇪 802 72 78ms 26 Sep 2023 731st GolfingSuccess 🇬🇷 802 172 465ms 19 Jan 2025 732nd brimstonetrader 801 85 139ms 26 Jan 2024 733rd albanian-laundromat 801 101 12ms 23 Sep 2025 734th inventshah 801 158 411ms 8 Sep 2022 735th primo-ppcg 🇹🇭 800 61 402ms 9 Feb 2022 736th DialFrost 🇸🇬 799 63 239ms 21 Jan 2025 737th DialFrost 🇸🇬 799 149 245ms 28 Jan 2023 737th LostSyntax21 🇬🇧 799 149 249ms 8 Jan 2025 739th MeWhenI 🇻🇦 798 100 105ms 15 Oct 2022 740th Shanethegamer 🇺🇸 798 105 14ms 17 Dec 2023 741st Shanethegamer 🇺🇸 797 60 160ms 19 Sep 2021 741st adoxography 797 60 48ms 18 Dec 2021 741st jared-hughes 797 60 41ms 9 Sep 2022 744th msbranicky 797 91 3ms 11 Oct 2023 745th sisyphus-ppcg 🇦🇺 797 96 14ms 7 Apr 2022 745th DialFrost 🇸🇬 797 96 18ms 31 Oct 2024 745th sean-niemann 🇺🇸 797 96 21ms 9 Apr 2025 745th edsrzf 🇳🇿 797 96 12ms 26 Jul 2025 749th MeWhenI 🇻🇦 797 110 43ms 17 Feb 2023 750th tailorspy 796 118 59ms 22 Sep 2024 First Prev 676–750 of 2,020 Next Last