Happy Numbers in all languages in chars. 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 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 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 United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 676th marcin7Cd 748 77 11 Mar 2020 677th bac0id 748 92 23 Feb 2024 677th dokutan 748 92 7 Apr 2024 679th DialFrost 🇸🇬 743 114 26 Dec 2024 680th MeWhenI 🇻🇦 740 71 22 Aug 2023 681st xsot 🇸🇬 740 93 23 May 2024 682nd Shanethegamer 🇺🇸 739 73 12 May 2023 682nd janbehrens 🇩🇪 739 73 26 Nov 2023 684th emgordon154 738 31 11 Sep 2024 685th dan-simon 738 42 28 Dec 2017 685th yokasuretsu 738 42 27 Jun 2018 687th elgan65536 738 85 22 Sep 2023 688th Frank-Buss 738 93 29 Aug 2020 689th emgordon154 737 58 20 Nov 2024 689th DialFrost 🇸🇬 737 58 25 Dec 2024 691st rambox11 737 67 2 Apr 2018 691st ETHproductions 🇺🇸 737 67 14 Apr 2018 691st frobinsonj 737 67 28 Jun 2018 691st dee-gomma 737 67 27 Mar 2019 691st elisherer 🇮🇱 737 67 23 Dec 2019 691st ArmaanAS 737 67 8 Mar 2021 697th lynn 737 93 12 Jul 2023 698th sisyphus-ppcg 🇦🇺 737 95 14 Mar 2023 698th Lydxn 🇨🇦 737 95 14 Mar 2023 700th Steffan153 🇫🇮 737 99 28 Jan 2023 700th pardouin 🇫🇷 737 99 21 Sep 2024 700th sean-niemann 🇺🇸 737 99 9 May 2025 703rd dokutan 736 59 14 Apr 2024 704th trist224 🇫🇷 736 64 15 Nov 2022 705th MeWhenI 🇻🇦 734 92 13 Jul 2021 706th Shanethegamer 🇺🇸 733 30 13 Jan 2022 707th edsrzf 🇳🇿 733 86 30 Dec 2024 708th MeWhenI 🇻🇦 732 76 16 May 2023 709th SirBogman 🇺🇸 730 45 7 Jan 2024 710th treeowl 729 79 27 Feb 2019 710th user189032 729 79 29 May 2019 710th cbrt-x 729 79 15 Sep 2023 713th prplz 🇦🇺 729 86 30 Apr 2022 713th pardouin 🇫🇷 729 86 24 Aug 2024 715th dokutan 729 136 22 Jan 2024 716th NewDefectus 🇮🇱 727 68 16 Dec 2021 717th Irratix 🇳🇱 726 41 1 Nov 2020 717th primo-ppcg 🇹🇭 726 41 2 Nov 2020 717th GrayJoKing 🇦🇺 726 41 27 Nov 2020 717th KatieLG 🇬🇧 726 41 9 Dec 2020 717th msbranicky 726 41 27 Jul 2023 717th dokutan 726 41 11 Nov 2023 717th AlephSquirrel 726 41 27 Jan 2025 724th emplv 🇱🇻 726 93 29 Jun 2022 725th ZakkkkAttackkkk 🇵🇭 725 65 21 Dec 2021 725th bob-th 725 65 5 Aug 2022 725th btjones0 725 65 22 Nov 2022 725th falsidge 725 65 21 Jun 2023 725th snoozingnewt 🇺🇸 725 65 3 Oct 2023 725th bizy-coder 725 65 13 Aug 2024 731st msbranicky 724 60 17 Jan 2024 731st JunkIce 724 60 23 Feb 2025 733rd dokutan 723 75 16 days ago 734th dokutan 723 90 12 Feb 2025 735th ovs-code 🇩🇪 722 95 10 Jan 2023 736th phdphil 721 43 9 Apr 2018 737th lynn 721 87 7 Jul 2024 737th emgordon154 721 87 18 Feb 2025 737th edsrzf 🇳🇿 721 87 4 Mar 2025 737th DialFrost 🇸🇬 721 87 4 Apr 2025 737th acotis 721 87 15 Apr 2025 737th ovs-code 🇩🇪 721 87 20 Apr 2025 737th sean-niemann 🇺🇸 721 87 6 Jun 2025 744th RussellEmerine 720 80 30 Nov 2019 745th yzhs 🇩🇪 719 38 21 Jun 2022 746th retrohun 719 69 3 Nov 2024 747th msbranicky 718 185 29 Aug 2023 748th Bubbler-4 717 49 13 Sep 2023 748th ovs-code 🇩🇪 717 49 13 Sep 2023 750th GrayJoKing 🇦🇺 716 53 13 Sep 2021 Prev 676–750 of 2,911 Next