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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 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 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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 673rd emgordon154 814 73 10ms 7 Nov 2024 677th MeWhenI 🇻🇦 813 71 67ms 5 Apr 2025 678th andre-lameirinhas 🇵🇹 813 86 189ms 4 Nov 2021 678th RYNO8 813 86 60ms 16 Aug 2022 678th LeeCamp 813 86 206ms 15 Jan 2023 678th vishwathg 813 86 302ms 4 Feb 2023 678th cros107 🇦🇺 813 86 243ms 11 Oct 2023 678th logvp 813 86 3,042ms 12 Jan 2024 678th Bmrl7 813 86 15ms 29 Feb 2024 678th Grrisly 813 86 262ms 29 Mar 2024 678th SB-945 813 86 19ms 31 Mar 2024 678th resoNathan 813 86 14ms 18 Jul 2024 688th Shanethegamer 🇺🇸 813 100 121ms 19 Sep 2021 688th MichalMarsalek 🇨🇿 813 100 123ms 3 Mar 2022 690th KenanSi 812 32 6ms 24 Feb 2022 690th ashtraypettingzoo 🇺🇸 812 32 5ms 5 Apr 2023 692nd ovs-code 🇩🇪 812 66 11ms 15 Aug 2024 692nd sisyphus-ppcg 🇦🇺 812 66 16ms 19 Aug 2024 694th targrik 811 81 38ms 18 Jul 2025 695th OhmNomNom 810 59 40ms 20 Oct 2022 695th AlephSquirrel 810 59 74ms 14 Apr 2023 695th SirBogman 🇺🇸 810 59 60ms 10 Jan 2024 695th error256 810 59 64ms 13 May 2024 699th Alessandro-Balconi 🇮🇹 810 77 79ms 14 Jul 2023 700th snyderek 🇺🇸 810 116 52ms 6 Oct 2024 701st elgan65536 810 123 129ms 5 Mar 2024 702nd NewDefectus 🇮🇱 809 54 68ms 15 Dec 2021 702nd LostSyntax21 🇬🇧 809 54 147ms 8 Jan 2025 704th MeWhenI 🇻🇦 809 93 19ms 2 Oct 2022 705th Shanethegamer 🇺🇸 809 100 12ms 10 Sep 2022 706th AlephSquirrel 809 104 4ms 6 Aug 2024 707th Yewzir 🇧🇪 808 83 469ms 15 Jan 2024 708th AlephSquirrel 807 89 14ms 20 Apr 2023 709th MeWhenI 🇻🇦 806 90 2ms 10 Oct 2023 710th frankgraziano 806 232 37ms 31 Oct 2025 711th Steffan153 🇫🇮 805 95 20ms 21 Feb 2023 712th GrayJoKing 🇦🇺 804 72 151ms 3 Aug 2024 713th scpchicken 🇵🇼 804 87 222ms 12 Jan 2022 713th JuliaSzulc 804 87 20ms 16 Mar 2022 713th LHuitre 804 87 21ms 5 Jun 2022 713th betaveros 804 87 378ms 1 Jan 2023 713th croc54 804 87 220ms 8 Jan 2025 713th LostSyntax21 🇬🇧 804 87 196ms 8 Mar 2025 713th andrewjc2000 804 87 19ms 11 Aug 2025 720th jared-hughes 804 124 131ms 10 Nov 2022 720th Re-Adventures 🇮🇳 804 124 125ms 22 Jun 2023 722nd snoozingnewt 🇺🇸 804 148 258ms 4 Feb 2024 723rd c0d3-4-F00d 🇩🇪 803 74 11ms 5 Jan 2022 723rd Maznek 803 74 11ms 19 Jun 2023 723rd thisishowmymindworks 🇳🇴 803 74 108ms 9 Jun 2024 723rd snoozingnewt 🇺🇸 803 74 11ms 1 Sep 2024 723rd blaztoma 🇱🇹 803 74 11ms 6 days ago 728th GolfingSuccess 🇬🇷 803 117 55ms 19 Mar 2025 729th Natanaelel 🇸🇪 802 72 78ms 26 Sep 2023 730th GolfingSuccess 🇬🇷 802 172 534ms 19 Jan 2025 731st brimstonetrader 801 85 139ms 26 Jan 2024 732nd albanian-laundromat 801 101 12ms 23 Sep 2025 733rd inventshah 801 158 411ms 8 Sep 2022 734th primo-ppcg 🇹🇭 800 61 402ms 9 Feb 2022 735th DialFrost 🇸🇬 799 63 239ms 21 Jan 2025 736th DialFrost 🇸🇬 799 149 245ms 28 Jan 2023 736th LostSyntax21 🇬🇧 799 149 249ms 8 Jan 2025 738th MeWhenI 🇻🇦 798 100 105ms 15 Oct 2022 739th Shanethegamer 🇺🇸 798 105 14ms 17 Dec 2023 740th Shanethegamer 🇺🇸 797 60 160ms 19 Sep 2021 740th adoxography 797 60 48ms 18 Dec 2021 740th jared-hughes 797 60 41ms 9 Sep 2022 743rd msbranicky 797 91 3ms 11 Oct 2023 744th sisyphus-ppcg 🇦🇺 797 96 14ms 7 Apr 2022 744th DialFrost 🇸🇬 797 96 18ms 31 Oct 2024 744th sean-niemann 🇺🇸 797 96 21ms 9 Apr 2025 744th edsrzf 🇳🇿 797 96 12ms 26 Jul 2025 748th MeWhenI 🇻🇦 797 110 43ms 17 Feb 2023 749th tailorspy 796 118 59ms 22 Sep 2024 749th namelessiw 796 118 354ms 6 Oct 2025 First Prev 676–750 of 2,015 Next Last