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 Numbrix 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 Numbrix 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 600th dokutan 800 118 58ms 6 Nov 2025 602nd clockworknazo 798 83 13ms 13 Oct 2022 602nd ovs-code 🇩🇪 798 83 13ms 7 Feb 2023 604th brimstonetrader 798 85 122ms 26 Jan 2024 605th inventshah 798 158 415ms 8 Sep 2022 606th albanian-laundromat 797 101 11ms 23 Sep 2025 607th Natanaelel 🇸🇪 796 72 75ms 26 Sep 2023 608th snoozingnewt 🇨🇦 796 148 272ms 4 Feb 2024 609th dokutan 794 67 205ms 4 Feb 2025 610th Alessandro-Balconi 🇮🇹 794 77 86ms 14 Jul 2023 611th MeWhenI 🇻🇦 794 100 97ms 15 Oct 2022 612th Shanethegamer 🇺🇸 793 29 76ms 22 Jul 2022 613th primo-ppcg 🇹🇭 793 61 389ms 9 Feb 2022 614th DialFrost 🇸🇬 793 63 242ms 21 Jan 2025 615th msbranicky 793 91 3ms 11 Oct 2023 616th sisyphus-ppcg 🇦🇺 793 96 13ms 7 Apr 2022 616th DialFrost 🇸🇬 793 96 17ms 31 Oct 2024 616th sean-niemann 🇺🇸 793 96 20ms 9 Apr 2025 616th edsrzf 🇳🇿 793 96 10ms 26 Jul 2025 620th MeWhenI 🇻🇦 793 110 40ms 17 Feb 2023 621st Herbert00709 🇵🇱 793 119 57ms 4 Sep 2024 622nd wh3n3v3r 🇨🇿 791 75 23ms 13 Nov 2024 623rd MeWhenI 🇻🇦 791 104 457ms 17 Aug 2023 624th DialFrost 🇸🇬 791 149 283ms 28 Jan 2023 624th LostSyntax21 🇬🇧 791 149 294ms 8 Jan 2025 626th MeWhenI 🇻🇦 789 96 126ms 15 Nov 2022 627th Shanethegamer 🇺🇸 788 84 124ms 15 Jan 2023 628th janbehrens 🇩🇪 787 120 55ms 20 Nov 2022 628th oceko 787 120 58ms 19 Feb 2024 630th namelessiw 786 118 394ms 6 Oct 2025 631st NickTheEASDude 🇺🇸 785 97 12ms 9 May 2024 632nd mousetail 🇳🇱 784 54 32ms 15 Jan 2024 633rd Shanethegamer 🇺🇸 782 97 363ms 20 Jun 2022 634th ian-h-chamberlain 🇺🇸 782 127 117ms 7 days ago 635th NewDefectus 🇮🇱 781 88 2ms 16 Dec 2021 636th Shanethegamer 🇺🇸 780 60 345ms 9 Mar 2023 637th JunkIce 780 76 25ms 3 Dec 2024 638th edsrzf 🇳🇿 779 109 43ms 1 Jan 2025 639th DialFrost 🇸🇬 779 112 43ms 30 Mar 2025 640th gnuvince 778 33 36ms 2 Aug 2024 640th codereport 🇨🇦 778 33 6ms 21 Apr 2025 642nd nwellnhof 🇩🇪 777 53 65ms 26 Dec 2021 643rd aposteriorist 🇨🇦 776 106 460ms 5 Mar 2022 644th Yax42 🇫🇷 774 98 379ms 15 hours ago 645th Re-Adventures 🇮🇳 774 122 62ms 14 Aug 2022 646th prplz 🇦🇺 772 64 1,042ms 20 Sep 2021 647th ListeriaM 772 89 2ms 25 Aug 2023 648th ovs-code 🇩🇪 771 69 134ms 3 Aug 2024 649th SirBogman 🇺🇸 770 39 709ms 20 Sep 2021 649th yzhs 🇩🇪 770 39 36ms 21 Jun 2022 651st nwellnhof 🇩🇪 770 77 20ms 8 Aug 2022 651st bricknellj 770 77 192ms 20 Dec 2022 651st bob-th 770 77 156ms 24 Jan 2023 651st AlephSquirrel 770 77 268ms 27 Jan 2023 651st steffan-polygolf 770 77 12ms 8 Mar 2024 651st Bulmenisaurus 770 77 275ms 8 Oct 2024 651st ryyyn 🇺🇸 770 77 130ms 7 days ago 658th DialFrost 🇸🇬 770 129 139ms 5 Apr 2025 659th jared-hughes 769 77 10ms 14 Mar 2022 659th Re-Adventures 🇮🇳 769 77 10ms 14 Aug 2022 659th lyphyser 769 77 9ms 3 Jun 2023 659th helbling 🇨🇭 769 77 10ms 4 Jul 2024 663rd Shanethegamer 🇺🇸 768 93 13ms 8 Apr 2024 664th KatieLG 🇬🇧 768 111 136ms 14 Jan 2023 665th ovs-code 🇩🇪 768 127 28ms 26 Dec 2022 666th ovs-code 🇩🇪 767 73 852ms 15 Jan 2024 666th sisyphus-ppcg 🇦🇺 767 73 1,444ms 16 Jan 2024 666th bizy-coder 767 73 841ms 3 Oct 2024 669th emgordon154 766 146 18ms 10 Jun 2025 670th snoozingnewt 🇨🇦 764 92 2,823ms 27 Sep 2025 671st MeWhenI 🇻🇦 764 244 16ms 28 Aug 2023 672nd MeWhenI 🇻🇦 763 54 34ms 16 Aug 2022 672nd xsot 🇸🇬 763 54 35ms 25 Jul 2023 672nd Steffan153 🇫🇮 763 54 70ms 29 Aug 2024 675th edsrzf 🇳🇿 763 99 20ms 5 Jan 2025 First Prev 601–675 of 2,019 Next 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