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 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 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 ArkScript 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 ArkScript 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 Calendar 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 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 719th anter69 🇭🇺 749 55 41ms 25 Jan 2023 719th ovs-code 🇩🇪 749 55 73ms 9 May 2023 719th Natanaelel 🇸🇪 749 55 39ms 10 May 2023 724th alasdair-greenland 749 79 23ms 10 Nov 2021 724th igmcdowell 749 79 10ms 11 Dec 2021 724th dylanarmstrong 749 79 11ms 24 Jan 2024 727th yzhs 🇩🇪 748 66 1,268ms 5 Nov 2021 728th Yewzir 🇧🇪 748 110 472ms 13 Jan 2024 729th m-tkach 🇺🇦 747 75 554ms 20 Jan 2024 730th KrausRaus 🇺🇸 746 97 2ms 24 Oct 2023 731st Shanethegamer 🇺🇸 746 102 2ms 12 Dec 2022 731st dokutan 746 102 3ms 6 Nov 2025 733rd 386asm 🇺🇸 746 117 40ms 10 Apr 2023 734th Shanethegamer 🇺🇸 745 131 28ms 20 Mar 2023 735th sisyphus-ppcg 🇦🇺 744 89 18ms 4 Feb 2023 735th edsrzf 🇳🇿 744 89 13ms 14 Nov 2025 737th Yewzir 🇧🇪 744 102 395ms 13 Jan 2024 738th o0lit3 🇺🇸 743 50 69ms 19 Sep 2021 738th primo-ppcg 🇹🇭 743 50 127ms 20 Sep 2021 738th nwellnhof 🇩🇪 743 50 59ms 26 Dec 2021 738th Lydxn 🇨🇦 743 50 144ms 25 May 2022 742nd emgordon154 742 31 330ms 10 Sep 2025 743rd albanian-laundromat 742 113 4ms 10 Dec 2025 744th primo-ppcg 🇹🇭 741 80 267ms 22 Sep 2021 744th prplz 🇦🇺 741 80 213ms 18 Dec 2021 744th inventshah 741 80 303ms 10 May 2022 744th jhu04 741 80 302ms 18 Jan 2024 744th jtaxen 741 80 301ms 4 Apr 2024 744th namelessiw 741 80 213ms 14 Jul 2024 744th fgrosshans 🇫🇷 741 80 366ms 23 Jul 2024 744th EnTerr 741 80 186ms 8 Sep 2024 744th zacjl 741 80 21ms 12 Apr 2025 744th 77Tigers 741 80 241ms 5 days ago 754th itsh01 740 80 44ms 4 Oct 2021 754th voytxt 🇨🇿 740 80 10ms 2 Mar 2022 754th dokutan 740 80 24ms 24 Dec 2024 757th Shanethegamer 🇺🇸 739 93 2ms 3 Apr 2023 757th Yewzir 🇧🇪 739 93 2ms 10 Jan 2024 759th GrayJoKing 🇦🇺 738 72 139ms 3 Aug 2024 759th emgordon154 738 72 135ms 15 Nov 2024 761st snoozingnewt 🇨🇦 738 102 104ms 13 Sep 2025 762nd jared-hughes 738 128 66ms 20 Jul 2022 762nd Alex-x90 🇺🇸 738 128 62ms 14 Nov 2022 764th KatieLG 🇬🇧 737 67 1,331ms 21 Sep 2021 765th AlephSquirrel 737 76 593ms 16 Jan 2024 765th JunkIce 737 76 400ms 3 Dec 2024 767th boxjelly 737 92 164ms 14 Mar 2022 768th Matgc04 737 103 394ms 22 Aug 2023 768th dokutan 737 103 405ms 23 Nov 2025 770th akshatj27 🇦🇶 736 56 41ms 11 Jan 2022 770th m-tkach 🇺🇦 736 56 41ms 23 Feb 2023 772nd snoozingnewt 🇨🇦 736 90 163ms 13 Oct 2025 773rd steffan-polygolf 735 103 120ms 19 Feb 2024 774th akamayu-ouo 🇹🇼 734 35 5ms 30 Jul 2024 775th Shanethegamer 🇺🇸 734 89 41ms 16 Apr 2024 776th SirBogman 🇺🇸 734 254 43ms 23 Nov 2022 777th j-Ewan 732 41 33ms 22 Feb 2022 777th sisyphus-ppcg 🇦🇺 732 41 237ms 31 Jan 2023 777th SirFireball3521 732 41 234ms 15 Mar 2023 780th jared-hughes 732 81 283ms 19 Sep 2021 780th jacklynnepenick 732 81 198ms 5 Nov 2021 780th guilhem-roy 🇫🇷 732 81 304ms 26 Feb 2022 780th suwat513 732 81 301ms 15 Sep 2022 780th LogicalJoe 732 81 216ms 7 Oct 2022 780th Eilonlif 🇮🇱 732 81 310ms 3 Nov 2022 780th janbehrens 🇩🇪 732 81 212ms 17 Jun 2023 780th bknower 732 81 23ms 26 Jun 2025 780th edsrzf 🇳🇿 732 81 218ms 22 Jul 2025 789th janbehrens 🇩🇪 731 64 511ms 9 Nov 2021 790th AlephSquirrel 731 81 11ms 8 Aug 2022 791st jared-hughes 731 94 2ms 14 Mar 2022 791st KenanHanke 731 94 2ms 22 Feb 2023 793rd snoozingnewt 🇨🇦 731 136 136ms 29 Sep 2025 794th primo-ppcg 🇹🇭 730 104 382ms 21 Nov 2021 794th Irratix 🇳🇱 730 104 404ms 13 Dec 2021 794th ericlangedijk 🇸🇮 730 104 453ms 17 Mar 2022 794th CaedenHarper 🇨🇦 730 104 386ms 5 Nov 2025 798th dokutan 729 109 118ms 18 Nov 2025 799th MeWhenI 🇻🇦 728 68 1,812ms 28 Jan 2023 799th Feniske 🇫🇷 728 68 1,666ms 7 Nov 2023 First Prev 721–800 of 2,044 Next Last