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 799th dokutan 737 103 387ms 23 Nov 2025 802nd akshatj27 🇦🇶 736 56 37ms 11 Jan 2022 802nd m-tkach 🇺🇦 736 56 37ms 23 Feb 2023 804th snoozingnewt 🇨🇦 736 90 163ms 13 Oct 2025 805th Shanethegamer 🇺🇸 734 89 38ms 16 Apr 2024 806th SirBogman 🇺🇸 734 254 43ms 23 Nov 2022 807th frankgraziano 733 100 9ms 24 Feb 2026 808th j-Ewan 732 41 33ms 22 Feb 2022 808th sisyphus-ppcg 🇦🇺 732 41 266ms 31 Jan 2023 808th SirFireball3521 732 41 266ms 15 Mar 2023 811th jared-hughes 732 81 294ms 19 Sep 2021 811th jacklynnepenick 732 81 223ms 5 Nov 2021 811th guilhem-roy 🇫🇷 732 81 306ms 26 Feb 2022 811th suwat513 732 81 300ms 15 Sep 2022 811th LogicalJoe 732 81 220ms 7 Oct 2022 811th Eilonlif 🇮🇱 732 81 310ms 3 Nov 2022 811th janbehrens 🇩🇪 732 81 210ms 17 Jun 2023 811th bknower 732 81 28ms 26 Jun 2025 811th edsrzf 🇳🇿 732 81 226ms 22 Jul 2025 811th StefanHabel 🇨🇦 732 81 311ms 3 days ago 811th solisolu 732 81 21ms 2 days ago 822nd snoozingnewt 🇨🇦 732 136 137ms 29 Sep 2025 823rd janbehrens 🇩🇪 731 64 471ms 9 Nov 2021 823rd dokutan 731 64 338ms 26 days ago 825th AlephSquirrel 731 81 11ms 8 Aug 2022 825th Program-Pi 731 81 12ms 5 Mar 2026 827th jared-hughes 731 94 2ms 14 Mar 2022 827th KenanHanke 731 94 2ms 22 Feb 2023 829th primo-ppcg 🇹🇭 730 104 391ms 21 Nov 2021 829th Irratix 🇳🇱 730 104 385ms 13 Dec 2021 829th ericlangedijk 🇸🇮 730 104 444ms 17 Mar 2022 829th CaedenHarper 🇨🇦 730 104 381ms 5 Nov 2025 829th prestosilver 🇺🇸 730 104 133ms 22 days ago 834th Shanethegamer 🇺🇸 729 104 15ms 17 Dec 2023 835th dokutan 729 109 119ms 18 Nov 2025 836th MeWhenI 🇻🇦 728 68 1,634ms 28 Jan 2023 836th Feniske 🇫🇷 728 68 1,574ms 7 Nov 2023 838th MeWhenI 🇻🇦 728 73 163ms 3 Aug 2024 839th neel11235813 728 77 545ms 15 Jan 2024 839th CaedenHarper 🇨🇦 728 77 745ms 14 Jul 2025 841st snoozingnewt 🇨🇦 728 84 91ms 22 Oct 2025 842nd DialFrost 🇸🇬 728 91 23ms 31 Oct 2023 843rd GrayJoKing 🇦🇺 728 113 459ms 28 Feb 2022 844th snoozingnewt 🇨🇦 727 105 38ms 1 Sep 2024 845th scpchicken 🇵🇼 727 137 155ms 19 May 2022 846th jerrandolph 727 162 322ms 3 Nov 2023 847th Yewzir 🇧🇪 726 90 40ms 14 Jan 2024 848th Schmitt-Very-Cool 726 128 348ms 30 Sep 2025 849th AlephSquirrel 724 95 2ms 8 Jun 2023 850th albanian-laundromat 🇺🇸 724 190 1,414ms 18 Oct 2025 851st Shanethegamer 🇺🇸 723 57 99ms 27 Sep 2021 852nd stefangimmillaro 723 82 312ms 27 Sep 2021 852nd NewDefectus 🇮🇱 723 82 26ms 16 Dec 2021 852nd CedricGebistorf 723 82 245ms 25 Feb 2022 852nd aksyristos 723 82 203ms 12 Feb 2023 852nd quimey 723 82 218ms 22 Mar 2023 852nd Fracture17 723 82 289ms 8 Apr 2023 852nd Re-Adventures 🇮🇳 723 82 228ms 20 Jul 2023 852nd Natanaelel 🇸🇪 723 82 215ms 29 Oct 2023 852nd codingisgreatbutiamnot 723 82 295ms 25 Jul 2024 852nd klixel 🇨🇦 723 82 299ms 17 Jan 2025 852nd blaztoma 🇱🇹 723 82 270ms 15 Nov 2025 852nd CommandLeo 🇮🇹 723 82 323ms 3 Dec 2025 852nd luuumine 🇫🇷 723 82 295ms 4 Dec 2025 852nd FortuiteMan 🇫🇷 723 82 300ms 5 Dec 2025 852nd FoxInTheClouds 723 82 325ms 13 Feb 2026 867th arctouch-cristiannevianna 723 105 405ms 26 May 2023 867th annaproxy 723 105 422ms 11 Apr 2025 867th snoozingnewt 🇨🇦 723 105 123ms 3 Oct 2025 870th randolchance 722 82 11ms 11 Jan 2023 870th Protothor 722 82 12ms 26 Feb 2026 872nd annaproxy 721 105 26ms 8 Jan 2023 873rd Shanethegamer 🇺🇸 721 121 36ms 15 Dec 2022 874th MeWhenI 🇻🇦 720 118 41ms 13 Feb 2025 875th GolfingSuccess 🇬🇷 719 112 4ms 11 Sep 2022 876th Shanethegamer 🇺🇸 718 74 148ms 19 Aug 2024 877th RockOfStone 718 106 2ms 4 Nov 2021 878th targrik 718 164 327ms 30 Jun 2025 879th dcgjb 717 69 1,080ms 6 May 2024 880th prplz 🇦🇺 715 42 240ms 27 Sep 2021 First Prev 801–880 of 2,098 Next Last