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 Dragon Curve 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 Dragon Curve 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 801st KatieLG 🇬🇧 738 67 1,591ms 21 Sep 2021 802nd AlephSquirrel 738 76 636ms 16 Jan 2024 802nd JunkIce 738 76 375ms 3 Dec 2024 804th boxjelly 738 92 164ms 14 Mar 2022 805th Matgc04 738 103 447ms 22 Aug 2023 805th dokutan 738 103 437ms 23 Nov 2025 807th snoozingnewt 🇨🇦 737 90 163ms 13 Oct 2025 808th akshatj27 🇦🇶 736 56 39ms 11 Jan 2022 808th m-tkach 🇺🇦 736 56 37ms 23 Feb 2023 810th SirBogman 🇺🇸 736 254 43ms 23 Nov 2022 811th Shanethegamer 🇺🇸 735 89 38ms 16 Apr 2024 812th frankgraziano 735 100 9ms 24 Feb 2026 813th j-Ewan 733 41 33ms 22 Feb 2022 814th jared-hughes 733 81 294ms 19 Sep 2021 814th jacklynnepenick 733 81 223ms 5 Nov 2021 814th guilhem-roy 🇫🇷 733 81 306ms 26 Feb 2022 814th suwat513 733 81 300ms 15 Sep 2022 814th LogicalJoe 733 81 220ms 7 Oct 2022 814th Eilonlif 🇮🇱 733 81 310ms 3 Nov 2022 814th janbehrens 🇩🇪 733 81 210ms 17 Jun 2023 814th bknower 733 81 28ms 26 Jun 2025 814th edsrzf 🇳🇿 733 81 226ms 22 Jul 2025 814th StefanHabel 🇨🇦 733 81 286ms 19 days ago 814th solisolu 733 81 21ms 18 days ago 814th scpchicken 🇵🇼 733 81 257ms 6 days ago 826th sisyphus-ppcg 🇦🇺 732 41 266ms 31 Jan 2023 826th SirFireball3521 732 41 266ms 15 Mar 2023 828th janbehrens 🇩🇪 732 64 489ms 9 Nov 2021 828th dokutan 732 64 335ms 13 Mar 2026 830th snoozingnewt 🇨🇦 732 136 147ms 29 Sep 2025 831st AlephSquirrel 731 81 10ms 8 Aug 2022 831st Program-Pi 731 81 11ms 5 Mar 2026 833rd jared-hughes 731 94 2ms 14 Mar 2022 833rd KenanHanke 731 94 2ms 22 Feb 2023 833rd madex 🇩🇪 731 94 2ms 14 days ago 836th primo-ppcg 🇹🇭 731 104 448ms 21 Nov 2021 836th Irratix 🇳🇱 731 104 466ms 13 Dec 2021 836th ericlangedijk 🇸🇮 731 104 510ms 17 Mar 2022 836th CaedenHarper 🇨🇦 731 104 436ms 5 Nov 2025 836th prestosilver 🇺🇸 731 104 170ms 17 Mar 2026 841st Shanethegamer 🇺🇸 730 104 13ms 17 Dec 2023 842nd dokutan 730 109 116ms 18 Nov 2025 843rd MeWhenI 🇻🇦 729 73 144ms 3 Aug 2024 844th snoozingnewt 🇨🇦 729 84 91ms 22 Oct 2025 845th DialFrost 🇸🇬 729 91 23ms 31 Oct 2023 846th GrayJoKing 🇦🇺 729 113 459ms 28 Feb 2022 847th MeWhenI 🇻🇦 728 68 1,728ms 28 Jan 2023 847th Feniske 🇫🇷 728 68 1,683ms 7 Nov 2023 849th neel11235813 728 77 545ms 15 Jan 2024 849th CaedenHarper 🇨🇦 728 77 745ms 14 Jul 2025 851st snoozingnewt 🇨🇦 728 105 38ms 1 Sep 2024 852nd jerrandolph 728 162 322ms 3 Nov 2023 853rd Yewzir 🇧🇪 727 90 43ms 14 Jan 2024 854th scpchicken 🇵🇼 727 137 160ms 19 May 2022 855th Schmitt-Very-Cool 726 128 483ms 30 Sep 2025 856th albanian-laundromat 🇺🇸 726 190 1,209ms 18 Oct 2025 857th stefangimmillaro 724 82 312ms 27 Sep 2021 857th NewDefectus 🇮🇱 724 82 26ms 16 Dec 2021 857th CedricGebistorf 724 82 245ms 25 Feb 2022 857th aksyristos 724 82 203ms 12 Feb 2023 857th quimey 724 82 218ms 22 Mar 2023 857th Fracture17 724 82 289ms 8 Apr 2023 857th Re-Adventures 🇮🇳 724 82 228ms 20 Jul 2023 857th Natanaelel 🇸🇪 724 82 215ms 29 Oct 2023 857th codingisgreatbutiamnot 724 82 295ms 25 Jul 2024 857th klixel 🇨🇦 724 82 299ms 17 Jan 2025 857th CommandLeo 🇮🇹 724 82 323ms 3 Dec 2025 857th luuumine 🇫🇷 724 82 295ms 4 Dec 2025 857th FortuiteMan 🇫🇷 724 82 300ms 5 Dec 2025 857th FoxInTheClouds 724 82 325ms 13 Feb 2026 871st AlephSquirrel 724 95 2ms 8 Jun 2023 872nd arctouch-cristiannevianna 724 105 483ms 26 May 2023 872nd annaproxy 724 105 470ms 11 Apr 2025 872nd snoozingnewt 🇨🇦 724 105 139ms 3 Oct 2025 875th Shanethegamer 🇺🇸 723 57 104ms 27 Sep 2021 875th blaztoma 🇱🇹 723 57 39ms 11 days ago 877th randolchance 722 82 15ms 11 Jan 2023 877th Protothor 722 82 11ms 26 Feb 2026 879th annaproxy 722 105 26ms 8 Jan 2023 880th MeWhenI 🇻🇦 722 118 41ms 13 Feb 2025 First Prev 801–880 of 2,186 Next Last