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 janbehrens 🇩🇪 843 140 351ms 20 Sep 2021 481st JOrE20 843 140 25ms 19 Feb 2026 483rd DialFrost 🇸🇬 842 98 490ms 16 Nov 2025 484th pardouin 🇫🇷 841 49 74ms 26 days ago 484th Steffan153 🇫🇮 841 49 101ms 15 days ago 486th emplv 🇱🇻 839 78 57ms 19 Apr 2024 487th primo-ppcg 🇹🇭 839 82 1ms 22 Sep 2021 487th nwellnhof 🇩🇪 839 82 2ms 22 Sep 2021 487th Attero 🇸🇪 839 82 3ms 23 Dec 2021 487th c0d3-4-F00d 🇩🇪 839 82 2ms 5 Jan 2022 487th snoozingnewt 🇨🇦 839 82 3ms 13 Sep 2025 492nd Shanethegamer 🇺🇸 839 95 125ms 14 Oct 2022 492nd emplv 🇱🇻 839 95 120ms 28 Oct 2022 492nd Yewzir 🇧🇪 839 95 116ms 28 Mar 2024 495th stefangimmillaro 838 111 462ms 6 Oct 2025 495th kmathis22 838 111 379ms 20 Nov 2025 495th ethanlally 838 111 387ms 23 Nov 2025 495th dokutan 838 111 326ms 23 Nov 2025 495th snoozingnewt 🇨🇦 838 111 449ms 5 Dec 2025 500th MeWhenI 🇻🇦 838 113 60ms 29 Nov 2022 501st lynn 838 119 151ms 10 Mar 2022 501st ovs-code 🇩🇪 838 119 134ms 23 Jun 2023 501st mousetail 🇳🇱 838 119 139ms 15 Jan 2024 504th primo-ppcg 🇹🇭 837 91 2ms 23 Sep 2021 504th JayXon 🇺🇸 837 91 2ms 3 Oct 2021 504th primo-ppcg 🇹🇭 837 91 128ms 2 Apr 2022 504th Lydxn 🇨🇦 837 91 2ms 9 Apr 2022 504th btnlq 837 91 2ms 27 Dec 2022 504th Ripick 837 91 121ms 1 Feb 2023 504th FlyingPenguin223 837 91 2ms 5 Feb 2026 511th DialFrost 🇸🇬 835 88 7ms 26 Feb 2026 512th Shanethegamer 🇺🇸 835 102 1,325ms 20 Mar 2023 513th rak1507 🇬🇧 834 36 35ms 20 Sep 2021 513th Steffan153 🇫🇮 834 36 229ms 16 Dec 2022 513th ovs-code 🇩🇪 834 36 226ms 31 Dec 2023 516th Yewzir 🇧🇪 833 87 2ms 20 Nov 2025 517th stackofbears 833 99 443ms 21 Mar 2022 518th rucin93 🇵🇱 832 64 155ms 6 Sep 2024 519th albanian-laundromat 🇺🇸 832 105 41ms 7 Sep 2025 520th madex 🇩🇪 831 85 2,587ms 15 Mar 2026 521st Shanethegamer 🇺🇸 831 114 57ms 18 Dec 2022 521st Yewzir 🇧🇪 831 114 58ms 14 Jan 2024 523rd Shanethegamer 🇺🇸 831 120 119ms 13 Jan 2022 523rd MeWhenI 🇻🇦 831 120 124ms 9 May 2023 523rd emgordon154 831 120 120ms 14 Mar 2025 526th ovs-code 🇩🇪 831 166 1,406ms 29 Mar 2025 526th emgordon154 831 166 1,420ms 21 May 2025 528th albanian-laundromat 🇺🇸 830 73 1,032ms 23 Sep 2025 529th prplz 🇦🇺 830 103 124ms 18 Dec 2021 529th dokutan 830 103 87ms 6 Nov 2025 531st edsrzf 🇳🇿 830 118 28ms 9 Feb 2026 532nd pardouin 🇫🇷 829 83 3ms 8 Oct 2024 532nd LostSyntax21 🇬🇧 829 83 3ms 8 Jan 2025 534th MeWhenI 🇻🇦 829 91 158ms 5 Sep 2023 535th CornerMercury 🇬🇧 826 30 5ms 21 Jan 2026 535th emgordon154 826 30 5ms 22 Feb 2026 537th albanian-laundromat 🇺🇸 825 68 423ms 7 Oct 2025 538th Steffan153 🇫🇮 825 118 109ms 28 Feb 2026 539th m-tkach 🇺🇦 825 143 25ms 7 Apr 2022 539th primo-ppcg 🇹🇭 825 143 25ms 25 Jun 2022 541st GrayJoKing 🇦🇺 824 50 95ms 19 Sep 2021 541st janlelis 824 50 103ms 20 Sep 2021 541st JayXon 🇺🇸 824 50 94ms 28 Sep 2021 541st sisyphus-ppcg 🇦🇺 824 50 92ms 6 May 2022 541st radarek 🇵🇱 824 50 74ms 25 May 2022 541st sean-niemann 🇺🇸 824 50 92ms 23 Dec 2024 541st stefangimmillaro 824 50 93ms 27 May 2025 548th inventshah 824 60 1,340ms 29 Sep 2023 548th emgordon154 824 60 1,286ms 18 Nov 2024 550th RYNO8 824 72 26ms 28 Sep 2021 550th FlorianCassayre 🇫🇷 824 72 252ms 18 Sep 2023 550th tobeannouncd 824 72 21ms 25 Apr 2025 550th 4atj 824 72 151ms 4 Dec 2025 550th HPWiz 🇳🇿 824 72 154ms 5 Dec 2025 555th Shanethegamer 🇺🇸 824 88 2ms 19 Nov 2025 555th DialFrost 🇸🇬 824 88 2ms 15 Dec 2025 557th IanUtley 824 92 3,003ms 24 Oct 2023 558th inventshah 824 98 538ms 10 Sep 2022 558th MeWhenI 🇻🇦 824 98 12ms 16 Aug 2023 560th sean-niemann 🇺🇸 824 106 39ms 21 Apr 2023 First Prev 481–560 of 2,181 Next Last