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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 675th MichalMarsalek 🇨🇿 757 100 125ms 3 Mar 2022 677th Shanethegamer 🇺🇸 756 93 3,294ms 27 Oct 2024 678th prplz 🇦🇺 755 91 2ms 19 Dec 2021 678th Irratix 🇳🇱 755 91 3ms 13 Jun 2022 680th jared-hughes 754 101 3ms 17 Mar 2022 681st jared-hughes 754 123 324ms 24 Sep 2025 682nd Irratix 🇳🇱 753 90 146ms 24 Sep 2021 683rd Yewzir 🇧🇪 753 99 40ms 18 Dec 2024 684th OllieBoyne 🇬🇧 751 79 162ms 25 May 2022 684th 5cw 🇺🇸 751 79 283ms 8 May 2024 684th bzijlema 🇳🇱 751 79 290ms 11 Oct 2024 684th jipsong 🇩🇪 751 79 247ms 20 Jun 2025 684th InigoK 🇺🇸 751 79 166ms 5 Sep 2025 684th fuzzylojik-golf 🇺🇸 751 79 179ms 15 Sep 2025 690th MeWhenI 🇻🇦 751 95 14ms 23 May 2023 691st prplz 🇦🇺 750 66 1,268ms 27 Sep 2021 691st DialFrost 🇸🇬 750 66 678ms 10 Oct 2024 693rd prplz 🇦🇺 749 55 40ms 18 Dec 2021 693rd lynn 749 55 68ms 25 May 2022 693rd anter69 🇭🇺 749 55 39ms 25 Jan 2023 693rd ovs-code 🇩🇪 749 55 71ms 9 May 2023 693rd Natanaelel 🇸🇪 749 55 47ms 10 May 2023 698th alasdair-greenland 749 79 25ms 10 Nov 2021 698th igmcdowell 749 79 13ms 11 Dec 2021 698th dylanarmstrong 749 79 12ms 24 Jan 2024 701st Shanethegamer 🇺🇸 749 168 28ms 20 Sep 2021 702nd yzhs 🇩🇪 748 66 989ms 5 Nov 2021 703rd m-tkach 🇺🇦 747 75 443ms 20 Jan 2024 704th Yewzir 🇧🇪 747 110 500ms 13 Jan 2024 705th Shanethegamer 🇺🇸 746 102 4ms 12 Dec 2022 705th dokutan 746 102 2ms 20 days ago 707th 386asm 🇺🇸 746 117 44ms 10 Apr 2023 708th Shanethegamer 🇺🇸 745 131 27ms 20 Mar 2023 709th sisyphus-ppcg 🇦🇺 744 89 19ms 4 Feb 2023 709th edsrzf 🇳🇿 744 89 14ms 13 days ago 711th KrausRaus 🇺🇸 744 97 2ms 24 Oct 2023 712th o0lit3 🇺🇸 743 50 87ms 19 Sep 2021 712th primo-ppcg 🇹🇭 743 50 139ms 20 Sep 2021 712th nwellnhof 🇩🇪 743 50 70ms 26 Dec 2021 712th Lydxn 🇨🇦 743 50 157ms 25 May 2022 716th Yewzir 🇧🇪 743 102 345ms 13 Jan 2024 717th emgordon154 742 31 335ms 10 Sep 2025 718th snoozingnewt 🇺🇸 742 125 334ms 3 Oct 2025 719th trist224 🇫🇷 742 126 380ms 15 Nov 2022 720th primo-ppcg 🇹🇭 741 80 267ms 22 Sep 2021 720th prplz 🇦🇺 741 80 207ms 18 Dec 2021 720th inventshah 741 80 288ms 10 May 2022 720th jhu04 741 80 291ms 18 Jan 2024 720th jtaxen 741 80 285ms 4 Apr 2024 720th namelessiw 741 80 214ms 14 Jul 2024 720th fgrosshans 🇫🇷 741 80 278ms 23 Jul 2024 720th EnTerr 741 80 189ms 8 Sep 2024 720th zacjl 741 80 21ms 12 Apr 2025 729th itsh01 739 80 41ms 4 Oct 2021 729th voytxt 🇨🇿 739 80 11ms 2 Mar 2022 729th dokutan 739 80 22ms 24 Dec 2024 732nd Shanethegamer 🇺🇸 739 93 3ms 3 Apr 2023 732nd Yewzir 🇧🇪 739 93 2ms 10 Jan 2024 734th GrayJoKing 🇦🇺 738 72 152ms 3 Aug 2024 734th emgordon154 738 72 140ms 15 Nov 2024 736th snoozingnewt 🇺🇸 738 102 96ms 13 Sep 2025 737th KatieLG 🇬🇧 737 67 971ms 21 Sep 2021 738th AlephSquirrel 737 76 604ms 16 Jan 2024 738th JunkIce 737 76 446ms 3 Dec 2024 740th boxjelly 737 92 182ms 14 Mar 2022 741st snoozingnewt 🇺🇸 736 90 153ms 13 Oct 2025 742nd Matgc04 736 103 345ms 22 Aug 2023 742nd dokutan 736 103 337ms 3 days ago 744th akshatj27 🇦🇶 735 56 56ms 11 Jan 2022 744th m-tkach 🇺🇦 735 56 44ms 23 Feb 2023 746th steffan-polygolf 735 103 122ms 19 Feb 2024 747th akamayu-ouo 🇹🇼 734 35 5ms 30 Jul 2024 748th Shanethegamer 🇺🇸 734 89 38ms 16 Apr 2024 749th SirBogman 🇺🇸 734 254 43ms 23 Nov 2022 750th j-Ewan 732 41 34ms 22 Feb 2022 First Prev 676–750 of 1,993 Next Last