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 561st neihousaigaai 822 72 12ms 2 Oct 2021 561st stefangimmillaro 822 72 18ms 29 Sep 2023 561st two-bad 🇬🇧 822 72 16ms 25 Feb 2024 564th sean-niemann 🇺🇸 821 28 60ms 22 Jul 2022 564th lynn 821 28 69ms 22 Jul 2022 564th MeWhenI 🇻🇦 821 28 73ms 23 Jul 2022 564th sisyphus-ppcg 🇦🇺 821 28 62ms 24 Jul 2022 564th jared-hughes 821 28 59ms 29 Jul 2022 564th AlephSquirrel 821 28 69ms 30 Dec 2022 564th Steffan153 🇫🇮 821 28 60ms 12 Jan 2023 564th DialFrost 🇸🇬 821 28 61ms 28 Jan 2023 564th CornerMercury 🇬🇧 821 28 62ms 24 Aug 2023 564th ovs-code 🇩🇪 821 28 69ms 2 Feb 2024 564th snoozingnewt 🇨🇦 821 28 62ms 1 Sep 2024 564th pardouin 🇫🇷 821 28 63ms 21 Sep 2024 564th LostSyntax21 🇬🇧 821 28 63ms 8 Jan 2025 564th edsrzf 🇳🇿 821 28 60ms 9 Mar 2025 564th CaedenHarper 🇨🇦 821 28 63ms 14 Jul 2025 564th fuzzylojik-golf 🇺🇸 821 28 62ms 9 Sep 2025 564th blaztoma 🇱🇹 821 28 67ms 26 Dec 2025 581st sean-niemann 🇺🇸 821 86 2,513ms 30 Oct 2024 582nd Shanethegamer 🇺🇸 821 168 1,477ms 27 Mar 2025 583rd sean-niemann 🇺🇸 820 92 153ms 8 Oct 2024 584th flekAI 819 144 283ms 5 days ago 585th jared-hughes 818 83 126ms 11 Sep 2023 586th error256 817 93 28ms 13 Mar 2026 587th Shanethegamer 🇺🇸 817 101 436ms 13 Apr 2023 587th emgordon154 817 101 467ms 26 May 2025 589th Yewzir 🇧🇪 817 107 39ms 14 Jan 2024 590th m-tkach 🇺🇦 817 120 27ms 18 Dec 2023 591st Mabeloid 🇳🇴 817 122 145ms 31 Oct 2025 591st CaedenHarper 🇨🇦 817 122 136ms 1 Dec 2025 591st elgan65536 🇺🇸 817 122 131ms 7 Feb 2026 594th snyderek 🇺🇸 816 116 65ms 6 Oct 2024 595th snoozingnewt 🇨🇦 814 105 92ms 30 Sep 2025 596th bizy-coder 813 73 171ms 3 Oct 2024 596th Rubiksmath 813 73 182ms 19 Oct 2024 596th Seek64 🇩🇪 813 73 170ms 4 Dec 2025 599th edsrzf 🇳🇿 813 88 11ms 7 Jun 2025 600th janbehrens 🇩🇪 811 73 11ms 20 Sep 2021 600th didion0 🇺🇸 811 73 53ms 23 Nov 2021 600th KatieLG 🇬🇧 811 73 16ms 5 Apr 2022 600th emgordon154 811 73 11ms 7 Nov 2024 604th Shanethegamer 🇺🇸 811 93 151ms 20 Sep 2021 604th Yewzir 🇧🇪 811 93 138ms 27 Mar 2024 606th GrayJoKing 🇦🇺 810 94 154ms 23 Oct 2023 607th AlephSquirrel 810 104 4ms 6 Aug 2024 608th AdrienHache 🇫🇷 809 94 466ms 2 Jun 2023 608th billings7 🇬🇧 809 94 477ms 21 May 2024 610th GolfingSuccess 🇬🇷 809 117 59ms 19 Mar 2025 611th MeWhenI 🇻🇦 808 71 63ms 5 Apr 2025 612th MeWhenI 🇻🇦 808 94 54ms 9 May 2024 613th Shanethegamer 🇺🇸 808 100 11ms 10 Sep 2022 613th albanian-laundromat 🇺🇸 808 100 11ms 24 Dec 2025 615th kimbo 🇺🇸 808 146 324ms 12 Jan 2023 616th frankgraziano 806 232 37ms 31 Oct 2025 617th MeWhenI 🇻🇦 805 90 2ms 10 Oct 2023 618th jared-hughes 804 124 143ms 10 Nov 2022 618th Re-Adventures 🇮🇳 804 124 135ms 22 Jun 2023 620th AlephSquirrel 803 89 13ms 20 Apr 2023 621st tailorspy 803 118 66ms 22 Sep 2024 621st dokutan 803 118 60ms 6 Nov 2025 623rd xnor-gate 802 74 170ms 23 Oct 2023 623rd csharpython 802 74 21ms 17 Jul 2025 625th Steffan153 🇫🇮 802 95 21ms 21 Feb 2023 625th Waffle3z 802 95 2ms 26 Dec 2025 627th snoozingnewt 🇨🇦 801 66 14ms 1 Sep 2024 627th LostSyntax21 🇬🇧 801 66 3ms 8 Jan 2025 629th Shanethegamer 🇺🇸 800 31 6ms 13 Jan 2022 630th c0d3-4-F00d 🇩🇪 800 74 13ms 5 Jan 2022 630th Maznek 800 74 13ms 19 Jun 2023 630th thisishowmymindworks 🇳🇴 800 74 112ms 9 Jun 2024 630th snoozingnewt 🇨🇦 800 74 13ms 1 Sep 2024 630th blaztoma 🇱🇹 800 74 17ms 23 Nov 2025 635th inventshah 800 158 415ms 8 Sep 2022 636th clockworknazo 799 83 13ms 13 Oct 2022 636th ovs-code 🇩🇪 799 83 13ms 7 Feb 2023 638th brimstonetrader 799 85 122ms 26 Jan 2024 639th Natanaelel 🇸🇪 797 72 69ms 26 Sep 2023 640th msbranicky 797 91 3ms 11 Oct 2023 First Prev 561–640 of 2,203 Next Last