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 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 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 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 375th inventshah 859 109 58ms 24 Nov 2022 377th NewDefectus 🇮🇱 858 69 11ms 16 Dec 2021 377th Shanethegamer 🇺🇸 858 69 11ms 25 Apr 2023 379th c0d3-4-F00d 🇩🇪 858 115 48ms 5 Jan 2022 379th MeWhenI 🇻🇦 858 115 48ms 21 Jun 2022 379th DialFrost 🇸🇬 858 115 44ms 28 Jan 2023 379th edsrzf 🇳🇿 858 115 45ms 5 Nov 2024 379th snoozingnewt 🇨🇦 858 115 72ms 16 Oct 2025 379th blaztoma 🇱🇹 858 115 42ms 12 days ago 385th lynn 857 35 342ms 19 Sep 2021 385th jared-hughes 857 35 36ms 30 Sep 2021 385th primo-ppcg 🇹🇭 857 35 41ms 24 Mar 2025 385th Natanaelel 🇸🇪 857 35 326ms 31 May 2025 385th fuzzylojik-golf 🇺🇸 857 35 35ms 9 Sep 2025 385th SirBogman 🇺🇸 857 35 45ms 23 Sep 2025 391st stefangimmillaro 857 82 3,016ms 6 Nov 2024 391st emgordon154 857 82 2,963ms 8 Nov 2024 391st DialFrost 🇸🇬 857 82 3,096ms 19 Nov 2024 394th DialFrost 🇸🇬 857 87 32ms 12 Dec 2024 395th ovs-code 🇩🇪 857 96 448ms 29 Jul 2024 396th Shanethegamer 🇺🇸 854 98 5ms 20 Dec 2024 397th saito-ta 🇯🇵 852 27 499ms 12 Aug 2022 397th GolfingSuccess 🇬🇷 852 27 463ms 16 Aug 2022 397th clockworknazo 852 27 446ms 6 Sep 2022 397th orthoplex 🇨🇽 852 27 703ms 1 Feb 2024 401st DialFrost 🇸🇬 852 89 394ms 18 days ago 402nd DialFrost 🇸🇬 851 58 1,169ms 13 Apr 2025 403rd ovs-code 🇩🇪 851 89 12ms 30 Jun 2024 404th CLOStrophobic 🇮🇹 851 116 541ms 10 Feb 2025 405th emplv 🇱🇻 850 148 29ms 29 Jun 2022 406th MeWhenI 🇻🇦 849 72 82ms 13 Dec 2022 407th MeWhenI 🇻🇦 849 77 59ms 19 Sep 2021 407th snoozingnewt 🇨🇦 849 77 66ms 16 Oct 2025 409th The3gs 849 117 152ms 29 Nov 2024 410th Shanethegamer 🇺🇸 848 66 598ms 16 Jan 2024 410th snoozingnewt 🇨🇦 848 66 585ms 28 Sep 2025 410th Babafaba 848 66 598ms 3 Nov 2025 413th CaedenHarper 🇨🇦 848 71 747ms 11 Sep 2025 414th marcin7Cd 848 80 157ms 29 Sep 2021 414th cbrt-x 848 80 145ms 15 Sep 2023 416th Steffan153 🇫🇮 848 81 4ms 12 Jan 2023 417th Lydxn 🇨🇦 848 90 53ms 20 Sep 2021 417th Steffan153 🇫🇮 848 90 53ms 12 Jan 2023 417th stefangimmillaro 848 90 44ms 26 Jan 2023 417th MeWhenI 🇻🇦 848 90 46ms 14 May 2023 417th DialFrost 🇸🇬 848 90 46ms 22 Oct 2024 422nd lynn 848 115 29ms 21 Aug 2023 423rd edsrzf 🇳🇿 848 139 255ms 23 Oct 2024 424th MeWhenI 🇻🇦 847 50 26ms 15 Feb 2025 425th MeWhenI 🇻🇦 847 70 20ms 22 Oct 2021 425th 2011-Chan-Ethan 847 70 337ms 12 Jul 2023 425th jatloe 847 70 314ms 27 Sep 2024 425th Flekay 🇩🇪 847 70 221ms 10 Jul 2025 425th JOrE20 🇺🇸 847 70 21ms 28 hours ago 430th inventshah 847 83 3,092ms 24 Oct 2024 430th aditsu 847 83 3,051ms 10 Aug 2025 432nd duckyluuk 🇳🇱 847 88 28ms 12 Dec 2024 432nd GolfingSuccess 🇬🇷 847 88 22ms 11 Sep 2025 434th Lydxn 🇨🇦 846 89 170ms 4 Sep 2023 435th snoozingnewt 🇨🇦 845 99 5ms 1 Sep 2024 436th ovs-code 🇩🇪 845 190 18ms 9 Jul 2024 437th emplv 🇱🇻 844 63 134ms 17 Jul 2025 438th Shanethegamer 🇺🇸 843 110 339ms 25 Sep 2025 438th Yewzir 🇧🇪 843 110 352ms 2 Oct 2025 438th CaedenHarper 🇨🇦 843 110 343ms 5 Nov 2025 438th MeWhenI 🇻🇦 843 110 335ms 27 days ago 442nd MeWhenI 🇻🇦 843 163 437ms 28 Mar 2025 443rd Yewzir 🇧🇪 842 118 125ms 5 Feb 2024 444th janbehrens 🇩🇪 842 140 277ms 20 Sep 2021 445th ovs-code 🇩🇪 842 180 1,530ms 14 Sep 2025 445th Yewzir 🇧🇪 842 180 1,601ms 21 days ago 447th DialFrost 🇸🇬 840 98 379ms 18 days ago 448th rucin93 🇵🇱 839 86 2ms 16 days ago 449th emplv 🇱🇻 838 78 39ms 19 Apr 2024 450th primo-ppcg 🇹🇭 838 82 1ms 22 Sep 2021 First Prev 376–450 of 2,016 Next Last