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 Multitap Input NFA Simulator Numbrix 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 Multitap Input NFA Simulator Numbrix 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 675th LostSyntax21 🇬🇧 817 66 4ms 8 Jan 2025 677th dokutan 817 82 568ms 24 Dec 2024 678th snyderek 🇺🇸 817 116 54ms 6 Oct 2024 679th m-tkach 🇺🇦 817 120 28ms 18 Dec 2023 680th Mabeloid 🇳🇴 817 122 122ms 31 Oct 2025 680th CaedenHarper 🇨🇦 817 122 123ms 10 days ago 682nd edsrzf 🇳🇿 816 88 11ms 7 Jun 2025 683rd Natanaelel 🇸🇪 815 33 66ms 22 Jul 2022 683rd SirBogman 🇺🇸 815 33 65ms 10 Sep 2022 685th snoozingnewt 🇨🇦 815 105 85ms 30 Sep 2025 686th kimbo 🇺🇸 815 146 265ms 12 Jan 2023 687th janbehrens 🇩🇪 814 73 10ms 20 Sep 2021 687th didion0 🇺🇸 814 73 41ms 23 Nov 2021 687th KatieLG 🇬🇧 814 73 14ms 5 Apr 2022 687th emgordon154 814 73 10ms 7 Nov 2024 691st MeWhenI 🇻🇦 813 71 65ms 5 Apr 2025 692nd andre-lameirinhas 🇵🇹 813 86 189ms 4 Nov 2021 692nd RYNO8 813 86 61ms 16 Aug 2022 692nd LeeCamp 813 86 229ms 15 Jan 2023 692nd vishwathg 813 86 334ms 4 Feb 2023 692nd cros107 🇦🇺 813 86 242ms 11 Oct 2023 692nd logvp 813 86 3,236ms 12 Jan 2024 692nd Bmrl7 813 86 12ms 29 Feb 2024 692nd Grrisly 813 86 279ms 29 Mar 2024 692nd SB-945 813 86 19ms 31 Mar 2024 692nd resoNathan 813 86 13ms 18 Jul 2024 692nd Andrey2001 813 86 13ms 8 days ago 703rd Shanethegamer 🇺🇸 813 100 118ms 19 Sep 2021 703rd MichalMarsalek 🇨🇿 813 100 125ms 3 Mar 2022 705th KenanSi 812 32 6ms 24 Feb 2022 705th ashtraypettingzoo 🇺🇸 812 32 6ms 5 Apr 2023 707th ovs-code 🇩🇪 812 66 11ms 15 Aug 2024 707th sisyphus-ppcg 🇦🇺 812 66 14ms 19 Aug 2024 709th targrik 811 81 37ms 18 Jul 2025 710th OhmNomNom 810 59 33ms 20 Oct 2022 710th AlephSquirrel 810 59 63ms 14 Apr 2023 710th SirBogman 🇺🇸 810 59 59ms 10 Jan 2024 710th error256 810 59 47ms 13 May 2024 714th AlephSquirrel 810 104 3ms 6 Aug 2024 715th GolfingSuccess 🇬🇷 810 117 56ms 19 Mar 2025 716th elgan65536 810 123 124ms 5 Mar 2024 717th NewDefectus 🇮🇱 809 54 59ms 15 Dec 2021 717th LostSyntax21 🇬🇧 809 54 146ms 8 Jan 2025 719th MeWhenI 🇻🇦 809 93 17ms 2 Oct 2022 720th Shanethegamer 🇺🇸 809 100 12ms 10 Sep 2022 721st Yewzir 🇧🇪 808 83 485ms 15 Jan 2024 722nd AlephSquirrel 807 89 14ms 20 Apr 2023 723rd MeWhenI 🇻🇦 806 90 2ms 10 Oct 2023 724th frankgraziano 806 232 38ms 31 Oct 2025 725th Steffan153 🇫🇮 805 95 20ms 21 Feb 2023 726th GrayJoKing 🇦🇺 804 72 139ms 3 Aug 2024 727th scpchicken 🇵🇼 804 87 222ms 12 Jan 2022 727th JuliaSzulc 804 87 19ms 16 Mar 2022 727th LHuitre 804 87 19ms 5 Jun 2022 727th betaveros 804 87 409ms 1 Jan 2023 727th croc54 804 87 228ms 8 Jan 2025 727th LostSyntax21 🇬🇧 804 87 207ms 8 Mar 2025 727th andrewjc2000 804 87 19ms 11 Aug 2025 734th jared-hughes 804 124 127ms 10 Nov 2022 734th Re-Adventures 🇮🇳 804 124 123ms 22 Jun 2023 736th snoozingnewt 🇨🇦 804 148 272ms 4 Feb 2024 737th c0d3-4-F00d 🇩🇪 803 74 13ms 5 Jan 2022 737th Maznek 803 74 11ms 19 Jun 2023 737th thisishowmymindworks 🇳🇴 803 74 105ms 9 Jun 2024 737th snoozingnewt 🇨🇦 803 74 11ms 1 Sep 2024 737th blaztoma 🇱🇹 803 74 11ms 19 days ago 742nd tailorspy 803 118 59ms 22 Sep 2024 742nd dokutan 803 118 58ms 6 Nov 2025 744th Natanaelel 🇸🇪 802 72 75ms 26 Sep 2023 745th brimstonetrader 801 85 122ms 26 Jan 2024 746th albanian-laundromat 801 101 11ms 23 Sep 2025 747th inventshah 801 158 415ms 8 Sep 2022 748th primo-ppcg 🇹🇭 800 61 389ms 9 Feb 2022 749th DialFrost 🇸🇬 799 63 242ms 21 Jan 2025 750th Alessandro-Balconi 🇮🇹 799 77 86ms 14 Jul 2023 First Prev 676–750 of 2,037 Next Last