Happy Numbers in all languages in chars. 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 Chars Time Submitted 901st JayXon 🇺🇸 688 102 7ms 15 Mar 2023 902nd MeWhenI 🇻🇦 687 75 35ms 20 Jun 2022 903rd PatrickStephansen 🇿🇦 686 72 10ms 3 Nov 2020 903rd KatieLG 🇬🇧 686 72 10ms 16 Apr 2021 903rd neihousaigaai 686 72 10ms 18 Apr 2021 903rd two-bad 🇬🇧 686 72 10ms 25 Feb 2024 907th rustyflamingo 685 49 492ms 22 Sep 2022 907th antimon2 🇯🇵 685 49 499ms 15 Oct 2022 907th alemelis 685 49 503ms 1 Mar 2023 907th HPWiz 🇳🇿 685 49 497ms 9 Mar 2023 907th ovs-code 🇩🇪 685 49 483ms 24 Oct 2023 907th MarcMush 🇫🇷 685 49 478ms 5 Jan 2024 907th DialFrost 🇸🇬 685 49 499ms 5 Jan 2024 907th twolfive 685 49 502ms 5 Oct 2024 915th DialFrost 🇸🇬 685 93 41ms 16 Feb 2025 916th galloj 🇨🇿 684 107 1ms 28 Aug 2022 917th j-Ewan 683 40 33ms 22 Feb 2022 918th Espiobest 683 69 16ms 26 Feb 2021 918th cbondurant 683 69 9ms 10 May 2021 918th hellwue 683 69 9ms 8 Feb 2023 918th Vaekor 683 69 9ms 9 Jul 2023 918th jatloe 683 69 75ms 27 Sep 2024 923rd sean-niemann 🇺🇸 683 77 2ms 29 Nov 2022 924th MeWhenI 🇻🇦 683 101 51ms 8 May 2022 924th janbehrens 🇩🇪 683 101 49ms 26 Nov 2023 926th retrohun 682 191 10ms 27 Dec 2022 927th sisyphus-ppcg 🇦🇺 681 67 5ms 2 Jul 2023 927th targrik 681 67 4ms 17 Jul 2025 929th m-tkach 🇺🇦 680 64 323ms 30 Jan 2024 930th MeWhenI 🇻🇦 679 62 118ms 11 Nov 2021 931st Irratix 🇳🇱 678 56 1,042ms 25 Mar 2021 931st emgordon154 678 56 911ms 18 Nov 2024 933rd emplv 🇱🇻 678 63 131ms 17 Jul 2025 934th didion0 🇺🇸 677 73 12ms 22 Apr 2021 934th itsh01 677 73 12ms 16 Aug 2021 934th c0d3-4-F00d 🇩🇪 677 73 9ms 5 Jan 2022 934th DaCuteRaccoon 677 73 9ms 30 Nov 2022 934th inventshah 677 73 8ms 28 Jan 2023 934th Yax42 🇫🇷 677 73 9ms 12 Nov 2025 940th primo-ppcg 🇹🇭 677 105 1ms 3 Oct 2020 941st primo-ppcg 🇹🇭 676 57 4ms 27 Apr 2023 941st GrayJoKing 🇦🇺 676 57 4ms 20 Aug 2023 941st emgordon154 676 57 4ms 10 Jan 2025 941st sean-niemann 🇺🇸 676 57 3ms 21 Apr 2025 941st kg583 🇺🇸 676 57 3ms 26 Sep 2025 941st edsrzf 🇳🇿 676 57 4ms 26 Sep 2025 947th Attero 🇸🇪 675 46 143ms 4 May 2020 948th annaproxy 675 80 317ms 5 May 2022 948th Yewzir 🇧🇪 675 80 306ms 8 May 2023 948th DialFrost 🇸🇬 675 80 348ms 26 Dec 2024 951st marcin7Cd 674 78 2ms 17 May 2020 951st lynn 674 78 2ms 2 Oct 2021 951st Steffan153 🇫🇮 674 78 2ms 28 Jan 2023 951st AZTECCO 674 78 2ms 16 Sep 2025 955th gilufin 673 70 74ms 23 May 2021 955th kellantech 673 70 9ms 3 Jun 2023 955th 2011-Chan-Ethan 673 70 79ms 12 Jul 2023 955th Dataen 673 70 9ms 5 Jan 2024 955th katss2 673 70 12ms 14 Aug 2025 960th DialFrost 🇸🇬 672 58 678ms 1 Sep 2025 961st HumanoidCPU 672 73 63ms 3 May 2024 962nd janbehrens 🇩🇪 671 72 2ms 26 Nov 2023 963rd GrayJoKing 🇦🇺 670 65 3ms 26 Jul 2023 964th MeWhenI 🇻🇦 669 65 357ms 17 Jan 2024 965th weliveinhell 🇭🇹 668 74 9ms 3 Sep 2023 966th inventshah 668 83 3ms 3 Nov 2022 967th rucin93 🇵🇱 667 64 129ms 6 Sep 2024 968th jared-hughes 667 76 1ms 6 Mar 2022 969th m-tkach 🇺🇦 666 79 1ms 9 Mar 2023 969th ovs-code 🇩🇪 666 79 2ms 24 Mar 2024 969th dokutan 666 79 1ms 1 May 2024 969th xsot 🇸🇬 666 79 2ms 23 May 2024 969th DialFrost 🇸🇬 666 79 11ms 17 Dec 2024 969th Yax42 🇫🇷 666 79 1ms 15 Oct 2025 975th GolfingSuccess 🇬🇷 666 110 1ms 13 May 2022 First Prev 901–975 of 3,123 Next Last