Happy Numbers (Long) 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 481st DialFrost 🇸🇬 840 98 496ms 16 Nov 2025 482nd JOrE20 840 140 25ms 19 Feb 2026 483rd emplv 🇱🇻 838 78 39ms 19 Apr 2024 484th primo-ppcg 🇹🇭 838 82 1ms 22 Sep 2021 484th nwellnhof 🇩🇪 838 82 2ms 22 Sep 2021 484th Attero 🇸🇪 838 82 3ms 23 Dec 2021 484th c0d3-4-F00d 🇩🇪 838 82 3ms 5 Jan 2022 484th snoozingnewt 🇨🇦 838 82 3ms 13 Sep 2025 489th stefangimmillaro 837 111 507ms 6 Oct 2025 489th kmathis22 837 111 379ms 20 Nov 2025 489th ethanlally 837 111 387ms 23 Nov 2025 489th dokutan 837 111 326ms 23 Nov 2025 489th snoozingnewt 🇨🇦 837 111 449ms 5 Dec 2025 494th MeWhenI 🇻🇦 837 113 61ms 29 Nov 2022 495th primo-ppcg 🇹🇭 836 91 2ms 23 Sep 2021 495th JayXon 🇺🇸 836 91 2ms 3 Oct 2021 495th Lydxn 🇨🇦 836 91 2ms 9 Apr 2022 495th btnlq 836 91 2ms 27 Dec 2022 495th FlyingPenguin223 836 91 2ms 5 Feb 2026 500th Shanethegamer 🇺🇸 836 95 121ms 14 Oct 2022 500th emplv 🇱🇻 836 95 110ms 28 Oct 2022 500th Yewzir 🇧🇪 836 95 114ms 28 Mar 2024 503rd lynn 836 119 151ms 10 Mar 2022 503rd ovs-code 🇩🇪 836 119 134ms 23 Jun 2023 503rd mousetail 🇳🇱 836 119 139ms 15 Jan 2024 506th primo-ppcg 🇹🇭 835 91 128ms 2 Apr 2022 506th Ripick 835 91 121ms 1 Feb 2023 508th rak1507 🇬🇧 834 36 35ms 20 Sep 2021 508th Steffan153 🇫🇮 834 36 284ms 16 Dec 2022 508th ovs-code 🇩🇪 834 36 245ms 31 Dec 2023 511th DialFrost 🇸🇬 833 88 7ms 26 Feb 2026 512th Shanethegamer 🇺🇸 833 102 1,325ms 20 Mar 2023 513th Yewzir 🇧🇪 832 87 2ms 20 Nov 2025 514th rucin93 🇵🇱 831 64 148ms 6 Sep 2024 515th stackofbears 831 99 443ms 21 Mar 2022 516th albanian-laundromat 831 105 41ms 7 Sep 2025 517th Shanethegamer 🇺🇸 829 114 59ms 18 Dec 2022 517th Yewzir 🇧🇪 829 114 62ms 14 Jan 2024 519th edsrzf 🇳🇿 829 118 28ms 9 Feb 2026 520th Shanethegamer 🇺🇸 829 120 119ms 13 Jan 2022 520th MeWhenI 🇻🇦 829 120 124ms 9 May 2023 520th emgordon154 829 120 120ms 14 Mar 2025 523rd pardouin 🇫🇷 828 83 3ms 8 Oct 2024 523rd LostSyntax21 🇬🇧 828 83 3ms 8 Jan 2025 525th madex 🇩🇪 828 85 2,587ms 17 days ago 526th ovs-code 🇩🇪 828 166 1,423ms 29 Mar 2025 526th emgordon154 828 166 1,450ms 21 May 2025 528th albanian-laundromat 827 73 1,292ms 23 Sep 2025 529th MeWhenI 🇻🇦 827 91 164ms 5 Sep 2023 530th prplz 🇦🇺 827 103 124ms 18 Dec 2021 530th dokutan 827 103 91ms 6 Nov 2025 532nd CornerMercury 🇬🇧 826 30 5ms 21 Jan 2026 532nd emgordon154 826 30 5ms 22 Feb 2026 534th GrayJoKing 🇦🇺 824 50 95ms 19 Sep 2021 534th janlelis 824 50 104ms 20 Sep 2021 534th JayXon 🇺🇸 824 50 94ms 28 Sep 2021 534th sisyphus-ppcg 🇦🇺 824 50 92ms 6 May 2022 534th radarek 🇵🇱 824 50 74ms 25 May 2022 534th sean-niemann 🇺🇸 824 50 92ms 23 Dec 2024 534th stefangimmillaro 824 50 93ms 27 May 2025 541st albanian-laundromat 824 68 444ms 7 Oct 2025 542nd RYNO8 824 72 20ms 28 Sep 2021 542nd FlorianCassayre 🇫🇷 824 72 223ms 18 Sep 2023 542nd tobeannouncd 824 72 20ms 25 Apr 2025 542nd 4atj 824 72 145ms 4 Dec 2025 542nd HPWiz 🇳🇿 824 72 146ms 5 Dec 2025 547th inventshah 823 60 1,340ms 29 Sep 2023 547th emgordon154 823 60 1,286ms 18 Nov 2024 549th IanUtley 823 92 3,003ms 24 Oct 2023 550th sean-niemann 🇺🇸 823 106 39ms 21 Apr 2023 551st Steffan153 🇫🇮 823 118 109ms 28 Feb 2026 552nd m-tkach 🇺🇦 823 143 25ms 7 Apr 2022 552nd primo-ppcg 🇹🇭 823 143 25ms 25 Jun 2022 554th neihousaigaai 822 72 11ms 2 Oct 2021 554th stefangimmillaro 822 72 14ms 29 Sep 2023 554th two-bad 🇬🇧 822 72 16ms 25 Feb 2024 557th Shanethegamer 🇺🇸 822 88 2ms 19 Nov 2025 557th DialFrost 🇸🇬 822 88 2ms 15 Dec 2025 559th inventshah 822 98 538ms 10 Sep 2022 559th MeWhenI 🇻🇦 822 98 12ms 16 Aug 2023 First Prev 481–560 of 2,090 Next Last