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 Calendar 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 Multitap Input 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 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 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 ><> ALGOL 68 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar 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 Multitap Input 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 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 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 881st Steffan153 🇫🇮 697 99 54ms 28 Jan 2023 881st ovs-code 🇩🇪 697 99 56ms 3 Jun 2024 881st roupiq 🇵🇱 697 99 55ms 8 Jun 2024 884th jared-hughes 696 71 12ms 29 Oct 2021 884th stefangimmillaro 696 71 11ms 27 Aug 2022 884th SirFireball3521 696 71 10ms 28 Jan 2023 884th Maznek 696 71 11ms 19 Jun 2023 884th snoozingnewt 🇨🇦 696 71 10ms 29 Nov 2025 889th msbranicky 696 74 78ms 14 Aug 2023 890th MeWhenI 🇻🇦 695 133 1,642ms 7 Nov 2025 891st dokutan 694 88 103ms 12 Dec 2025 892nd xorraxrax 693 68 9ms 19 Oct 2019 892nd NewDefectus 🇮🇱 693 68 11ms 1 Nov 2020 892nd ydevor 🇮🇱 693 68 10ms 26 Nov 2020 892nd jacklynnepenick 693 68 50ms 17 Aug 2021 892nd aposteriorist 🇨🇦 693 68 11ms 6 Feb 2022 892nd PowerR0 693 68 9ms 25 Aug 2022 892nd SB-945 693 68 17ms 31 Mar 2024 892nd Troon 693 68 10ms 11 Feb 2025 892nd JOrE20 693 68 18ms 6 days ago 901st sisyphus-ppcg 🇦🇺 692 43 2ms 3 Nov 2020 901st pandapawskat 692 43 1ms 20 Sep 2021 901st stefangimmillaro 692 43 2ms 23 Apr 2022 904th o0lit3 🇺🇸 692 50 10ms 19 Apr 2021 904th armin-k1 692 50 8ms 8 Sep 2021 906th Alex-x90 🇺🇸 692 76 1ms 3 Dec 2022 907th snoozingnewt 🇨🇦 692 95 431ms 29 Nov 2025 908th anter69 🇭🇺 691 55 1,210ms 10 Mar 2025 909th GrayJoKing 🇦🇺 691 61 117ms 13 Mar 2022 910th btnlq 691 63 3ms 15 Jul 2023 910th SirBogman 🇺🇸 691 63 406ms 15 Jan 2024 910th GolfingSuccess 🇬🇷 691 63 374ms 30 Jan 2024 913th JDiLenarda 🇫🇷 690 61 1,274ms 9 Oct 2020 914th inventshah 690 70 2ms 9 Sep 2022 915th jared-hughes 690 100 53ms 20 Jul 2022 916th labster 689 45 87ms 23 Feb 2018 916th snoozingnewt 🇨🇦 689 45 93ms 30 Nov 2025 918th gnuvince 688 32 9ms 2 Aug 2024 918th codereport 🇨🇦 688 32 3ms 21 Apr 2025 920th MeWhenI 🇻🇦 688 75 35ms 20 Jun 2022 921st marshallward 🇺🇸 688 81 39ms 2 Sep 2022 922nd JayXon 🇺🇸 688 102 7ms 15 Mar 2023 923rd PatrickStephansen 🇿🇦 686 72 12ms 3 Nov 2020 923rd KatieLG 🇬🇧 686 72 10ms 16 Apr 2021 923rd neihousaigaai 686 72 11ms 18 Apr 2021 923rd two-bad 🇬🇧 686 72 17ms 25 Feb 2024 927th rustyflamingo 685 49 530ms 22 Sep 2022 927th antimon2 🇯🇵 685 49 530ms 15 Oct 2022 927th alemelis 685 49 502ms 1 Mar 2023 927th HPWiz 🇳🇿 685 49 514ms 9 Mar 2023 927th ovs-code 🇩🇪 685 49 530ms 24 Oct 2023 927th MarcMush 🇫🇷 685 49 490ms 5 Jan 2024 927th DialFrost 🇸🇬 685 49 527ms 5 Jan 2024 927th twolfive 685 49 492ms 5 Oct 2024 935th DialFrost 🇸🇬 685 93 36ms 16 Feb 2025 936th galloj 🇨🇿 684 107 1ms 28 Aug 2022 937th j-Ewan 683 40 33ms 22 Feb 2022 938th Espiobest 683 69 15ms 26 Feb 2021 938th cbondurant 683 69 9ms 10 May 2021 938th hellwue 683 69 9ms 8 Feb 2023 938th Vaekor 683 69 9ms 9 Jul 2023 938th jatloe 683 69 80ms 27 Sep 2024 943rd sean-niemann 🇺🇸 683 77 2ms 29 Nov 2022 944th MeWhenI 🇻🇦 683 101 55ms 8 May 2022 944th janbehrens 🇩🇪 683 101 52ms 26 Nov 2023 946th retrohun 682 191 10ms 27 Dec 2022 947th sisyphus-ppcg 🇦🇺 681 67 4ms 2 Jul 2023 947th targrik 681 67 5ms 17 Jul 2025 949th m-tkach 🇺🇦 680 64 381ms 30 Jan 2024 950th MeWhenI 🇻🇦 679 62 118ms 11 Nov 2021 951st Irratix 🇳🇱 678 56 1,259ms 25 Mar 2021 951st emgordon154 678 56 1,214ms 18 Nov 2024 953rd emplv 🇱🇻 678 63 130ms 17 Jul 2025 954th didion0 🇺🇸 677 73 17ms 22 Apr 2021 954th itsh01 677 73 16ms 16 Aug 2021 954th c0d3-4-F00d 🇩🇪 677 73 17ms 5 Jan 2022 954th DaCuteRaccoon 677 73 15ms 30 Nov 2022 954th inventshah 677 73 12ms 28 Jan 2023 954th Yax42 🇫🇷 677 73 10ms 12 Nov 2025 960th primo-ppcg 🇹🇭 677 105 2ms 3 Oct 2020 First Prev 881–960 of 3,173 Next Last