Happy Numbers (Long) in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 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 Erlang 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 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 Erlang 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 750th codereport 🇨🇦 788 33 6ms 21 Apr 2025 752nd NickTheEASDude 🇺🇸 788 97 12ms 9 May 2024 753rd Shanethegamer 🇺🇸 787 61 532ms 9 Mar 2023 754th TimHuisman1703 786 89 224ms 7 Jan 2022 754th Anonymousellama21 786 89 2,729ms 27 Jun 2022 754th yourlefthandman 786 89 278ms 17 Aug 2023 754th msbranicky 786 89 291ms 5 Oct 2023 754th luyckxrobbe 786 89 31ms 20 Nov 2023 754th madex 🇩🇪 786 89 16ms 13 Jun 2024 754th rollershutter 786 89 310ms 2 Jul 2024 754th Mabeloid 🇳🇴 786 89 14ms 18 Sep 2024 754th jatloe 786 89 303ms 27 Sep 2024 754th Lv0Sys 🇵🇱 786 89 21ms 30 May 2025 764th ListeriaM 785 89 2ms 25 Aug 2023 765th MeWhenI 🇻🇦 785 105 457ms 17 Aug 2023 766th snoozingnewt 🇺🇸 784 102 96ms 13 Sep 2025 767th edsrzf 🇳🇿 784 109 40ms 1 Jan 2025 768th Shanethegamer 🇺🇸 782 74 141ms 19 Aug 2024 769th janbehrens 🇩🇪 782 120 56ms 20 Nov 2022 769th oceko 782 120 60ms 19 Feb 2024 771st DialFrost 🇸🇬 781 112 44ms 30 Mar 2025 772nd yzhs 🇩🇪 779 39 39ms 21 Jun 2022 773rd SirBogman 🇺🇸 779 48 250ms 4 Nov 2021 773rd SirFireball3521 779 48 258ms 21 Mar 2023 775th albanian-laundromat 779 86 589ms 7 Oct 2025 776th aposteriorist 🇨🇦 778 106 481ms 5 Mar 2022 777th prplz 🇦🇺 777 64 1,042ms 20 Sep 2021 778th 2011-Chan-Ethan 777 90 314ms 12 Jul 2023 778th inverseLorentz 🇦🇺 777 90 305ms 3 May 2024 780th snoozingnewt 🇺🇸 774 105 132ms 3 Oct 2025 781st DialFrost 🇸🇬 773 129 144ms 5 Apr 2025 782nd ovs-code 🇩🇪 772 127 27ms 26 Dec 2022 783rd FlyingPenguin223 771 62 53ms 16 Nov 2023 783rd Babafaba 771 62 51ms 22 days ago 785th jared-hughes 771 77 10ms 14 Mar 2022 785th Re-Adventures 🇮🇳 771 77 10ms 14 Aug 2022 785th lyphyser 771 77 11ms 3 Jun 2023 785th helbling 🇨🇭 771 77 11ms 4 Jul 2024 789th Shanethegamer 🇺🇸 771 93 14ms 8 Apr 2024 790th KatieLG 🇬🇧 771 111 141ms 14 Jan 2023 791st hjcafaroUC 769 91 21ms 26 Oct 2021 791st adoxography 769 91 24ms 18 Dec 2021 791st j-Ewan 769 91 25ms 16 Feb 2022 791st MaxElf999 769 91 21ms 29 Sep 2022 791st AlexanderFair 769 91 23ms 13 Jul 2023 791st chartung17 769 91 27ms 14 Jan 2024 791st NerdyMcNerd42 769 91 14ms 22 Mar 2024 798th Re-Adventures 🇮🇳 769 122 61ms 14 Aug 2022 799th emgordon154 769 146 12ms 10 Jun 2025 800th NewDefectus 🇮🇱 768 64 57ms 21 Sep 2021 801st prplz 🇦🇺 768 91 2ms 19 Dec 2021 802nd snoozingnewt 🇺🇸 768 92 3,959ms 27 Sep 2025 803rd strout 765 89 193ms 15 Aug 2022 804th kTheLemon 765 100 2ms 2 Apr 2025 805th janbehrens 🇩🇪 765 165 30ms 20 Sep 2021 806th jared-hughes 764 123 514ms 24 Sep 2025 806th Babafaba 764 123 393ms 22 days ago 808th UnderKoen 🇳🇱 764 147 24ms 20 Apr 2023 809th MeWhenI 🇻🇦 764 244 18ms 28 Aug 2023 810th prplz 🇦🇺 763 49 204ms 27 Sep 2021 811th DialFrost 🇸🇬 763 112 45ms 13 Feb 2025 812th shawphy 761 78 12ms 12 Oct 2021 813th Yewzir 🇧🇪 761 166 27ms 14 Jan 2024 814th Indivicivet 760 92 355ms 26 Oct 2021 814th nullie 760 92 20ms 8 Jun 2022 814th FortuiteMan 🇫🇷 760 92 24ms 10 Sep 2023 814th jbjd 760 92 19ms 23 Nov 2024 814th 5quiwyrm 760 92 254ms 25 Nov 2024 819th Shanethegamer 🇺🇸 760 93 3,300ms 27 Oct 2024 820th Andriamanitra 🇫🇮 759 63 63ms 20 Jul 2022 821st Irratix 🇳🇱 759 92 2ms 19 Dec 2021 822nd KrausRaus 🇺🇸 758 97 4ms 24 Oct 2023 823rd Yewzir 🇧🇪 758 99 42ms 18 Dec 2024 824th jared-hughes 757 101 3ms 17 Mar 2022 825th Irratix 🇳🇱 756 90 146ms 24 Sep 2021 First Prev 751–825 of 1,981 Next Last