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 601st brimstonetrader 798 85 139ms 26 Jan 2024 602nd inventshah 798 158 415ms 8 Sep 2022 603rd albanian-laundromat 797 101 12ms 23 Sep 2025 604th Natanaelel 🇸🇪 796 72 78ms 26 Sep 2023 605th snoozingnewt 🇨🇦 796 148 271ms 4 Feb 2024 606th dokutan 794 67 192ms 4 Feb 2025 607th Alessandro-Balconi 🇮🇹 794 77 79ms 14 Jul 2023 608th MeWhenI 🇻🇦 794 100 97ms 15 Oct 2022 609th Shanethegamer 🇺🇸 793 29 83ms 22 Jul 2022 610th primo-ppcg 🇹🇭 793 61 402ms 9 Feb 2022 611th DialFrost 🇸🇬 793 63 269ms 21 Jan 2025 612th msbranicky 793 91 3ms 11 Oct 2023 613th sisyphus-ppcg 🇦🇺 793 96 13ms 7 Apr 2022 613th DialFrost 🇸🇬 793 96 17ms 31 Oct 2024 613th sean-niemann 🇺🇸 793 96 20ms 9 Apr 2025 613th edsrzf 🇳🇿 793 96 10ms 26 Jul 2025 617th MeWhenI 🇻🇦 793 110 43ms 17 Feb 2023 618th tailorspy 793 118 59ms 22 Sep 2024 618th dokutan 793 118 58ms 6 Nov 2025 618th KasperKivimaeki 🇫🇮 793 118 56ms 8 days ago 621st wh3n3v3r 🇨🇿 791 75 24ms 13 Nov 2024 622nd MeWhenI 🇻🇦 791 104 457ms 17 Aug 2023 623rd DialFrost 🇸🇬 791 149 245ms 28 Jan 2023 623rd LostSyntax21 🇬🇧 791 149 254ms 8 Jan 2025 625th MeWhenI 🇻🇦 789 96 121ms 15 Nov 2022 626th Shanethegamer 🇺🇸 788 84 126ms 15 Jan 2023 627th Herbert00709 🇵🇱 787 119 57ms 4 Sep 2024 628th namelessiw 786 118 354ms 6 Oct 2025 629th NickTheEASDude 🇺🇸 785 97 12ms 9 May 2024 630th mousetail 🇳🇱 784 54 20ms 15 Jan 2024 631st Shanethegamer 🇺🇸 782 97 360ms 20 Jun 2022 632nd ian-h-chamberlain 🇺🇸 782 127 124ms 28 hours ago 633rd NewDefectus 🇮🇱 781 88 2ms 16 Dec 2021 634th Shanethegamer 🇺🇸 780 60 345ms 9 Mar 2023 635th JunkIce 780 76 24ms 3 Dec 2024 636th janbehrens 🇩🇪 780 120 58ms 20 Nov 2022 636th oceko 780 120 59ms 19 Feb 2024 638th edsrzf 🇳🇿 779 109 40ms 1 Jan 2025 639th DialFrost 🇸🇬 779 112 44ms 30 Mar 2025 640th gnuvince 778 33 36ms 2 Aug 2024 640th codereport 🇨🇦 778 33 5ms 21 Apr 2025 642nd nwellnhof 🇩🇪 777 53 69ms 26 Dec 2021 643rd aposteriorist 🇨🇦 776 106 481ms 5 Mar 2022 644th prplz 🇦🇺 772 64 1,042ms 20 Sep 2021 645th ListeriaM 772 89 2ms 25 Aug 2023 646th ovs-code 🇩🇪 771 69 157ms 3 Aug 2024 647th SirBogman 🇺🇸 770 39 229ms 20 Sep 2021 647th yzhs 🇩🇪 770 39 39ms 21 Jun 2022 649th nwellnhof 🇩🇪 770 77 20ms 8 Aug 2022 649th bricknellj 770 77 204ms 20 Dec 2022 649th bob-th 770 77 153ms 24 Jan 2023 649th AlephSquirrel 770 77 271ms 27 Jan 2023 649th steffan-polygolf 770 77 13ms 8 Mar 2024 649th Bulmenisaurus 770 77 267ms 8 Oct 2024 649th ryyyn 🇺🇸 770 77 120ms 23 hours ago 656th DialFrost 🇸🇬 770 129 143ms 5 Apr 2025 657th jared-hughes 769 77 10ms 14 Mar 2022 657th Re-Adventures 🇮🇳 769 77 12ms 14 Aug 2022 657th lyphyser 769 77 9ms 3 Jun 2023 657th helbling 🇨🇭 769 77 10ms 4 Jul 2024 661st Shanethegamer 🇺🇸 768 93 13ms 8 Apr 2024 662nd KatieLG 🇬🇧 768 111 134ms 14 Jan 2023 663rd ovs-code 🇩🇪 768 127 27ms 26 Dec 2022 664th ovs-code 🇩🇪 767 73 904ms 15 Jan 2024 664th sisyphus-ppcg 🇦🇺 767 73 1,410ms 16 Jan 2024 664th bizy-coder 767 73 905ms 3 Oct 2024 667th Re-Adventures 🇮🇳 767 122 58ms 14 Aug 2022 668th emgordon154 766 146 19ms 10 Jun 2025 669th snoozingnewt 🇨🇦 764 92 3,159ms 27 Sep 2025 670th MeWhenI 🇻🇦 764 244 16ms 28 Aug 2023 671st MeWhenI 🇻🇦 763 54 42ms 16 Aug 2022 671st xsot 🇸🇬 763 54 39ms 25 Jul 2023 671st Steffan153 🇫🇮 763 54 69ms 29 Aug 2024 674th edsrzf 🇳🇿 763 99 19ms 5 Jan 2025 675th janbehrens 🇩🇪 763 165 30ms 20 Sep 2021 First Prev 601–675 of 2,016 Next Last