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 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 522nd OllieBoyne 🇬🇧 798 59 16 Jan 2021 522nd SnowballSH 798 59 31 Jan 2021 522nd vishwathg 798 59 16 Aug 2022 522nd StefanHabel 🇨🇦 798 59 11 Dec 2022 522nd emirps 798 59 22 Feb 2023 522nd AlexanderFair 798 59 2 Jul 2023 522nd AVDestroyer 798 59 4 Sep 2023 522nd eiburns 798 59 13 Sep 2023 522nd m42km 798 59 7 Oct 2023 522nd elgan65536 798 59 4 Apr 2024 522nd KasperKivimaeki 🇫🇮 798 59 4 days ago 522nd dirckvdende 798 59 2 days ago 538th emplv 🇱🇻 797 62 15 Dec 2021 538th rucin93 🇵🇱 797 62 19 Apr 2024 538th vlpx 🇫🇮 797 62 18 Jun 2024 541st SirFireball3521 795 39 22 Mar 2023 542nd MeWhenI 🇻🇦 795 44 12 Aug 2024 542nd sisyphus-ppcg 🇦🇺 795 44 12 Aug 2024 542nd DialFrost 🇸🇬 795 44 15 Aug 2024 542nd ovs-code 🇩🇪 795 44 15 Aug 2024 542nd Shanethegamer 🇺🇸 795 44 15 Aug 2024 542nd GrayJoKing 🇦🇺 795 44 17 Aug 2024 542nd emgordon154 795 44 19 Aug 2024 542nd pardouin 🇫🇷 795 44 6 Sep 2024 542nd sean-niemann 🇺🇸 795 44 13 Jan 2025 551st primo-ppcg 🇹🇭 795 70 4 Jan 2024 551st stefangimmillaro 795 70 14 Jan 2024 553rd clockworknazo 794 82 13 Oct 2022 553rd ovs-code 🇩🇪 794 82 7 Feb 2023 555th Yewzir 🇧🇪 792 125 23 Apr 2023 555th janbehrens 🇩🇪 792 125 20 Jun 2023 557th Yewzir 🇧🇪 790 54 14 Dec 2023 557th dokutan 790 54 19 May 2024 557th emgordon154 790 54 5 Dec 2024 557th edsrzf 🇳🇿 790 54 21 Jan 2025 561st neel11235813 790 55 10 Mar 2024 562nd flawr 789 73 24 Feb 2019 562nd GrayJoKing 🇦🇺 789 73 5 Dec 2020 562nd Shanethegamer 🇺🇸 789 73 15 Jul 2021 562nd yzhs 🇩🇪 789 73 24 Jul 2021 562nd MeWhenI 🇻🇦 789 73 15 Sep 2021 562nd sisyphus-ppcg 🇦🇺 789 73 16 Mar 2022 562nd DaCuteRaccoon 789 73 30 Nov 2022 562nd DialFrost 🇸🇬 789 73 28 Jan 2023 562nd scpchicken 🇵🇼 789 73 7 Mar 2023 562nd pardouin 🇫🇷 789 73 21 Sep 2024 562nd LostSyntax21 🇬🇧 789 73 8 Jan 2025 573rd lifthrasiir 🇰🇷 786 28 29 Nov 2024 574th Yewzir 🇧🇪 786 69 6 Dec 2023 575th Jacob385 786 126 21 Feb 2025 576th stevelamm 785 60 5 Oct 2018 576th tjtnorton 785 60 29 Nov 2018 576th giacomogallina 785 60 14 Jun 2019 576th cellobix 785 60 14 Aug 2019 576th mizuzimu 785 60 4 Feb 2020 576th ArmaanAS 785 60 8 Mar 2021 576th RDShah 785 60 26 Nov 2021 576th QuincyNash 🇺🇸 785 60 30 Nov 2022 576th msbranicky 785 60 25 Jul 2023 576th Hebelub 785 60 5 Jan 2024 576th dokutan 785 60 23 Jan 2024 576th wh3n3v3r 🇨🇿 785 60 16 Nov 2024 576th JunkIce 785 60 23 Feb 2025 576th ffelixm 785 60 27 days ago 590th dmrichwa 🇺🇸 784 63 28 Jan 2023 590th targrik 784 63 19 Feb 2025 592nd sisyphus-ppcg 🇦🇺 784 108 16 Mar 2022 593rd MeWhenI 🇻🇦 783 93 18 May 2022 594th hemphen 782 69 28 Aug 2022 595th inventshah 782 88 27 Jan 2023 596th GrayJoKing 🇦🇺 781 67 31 Jan 2025 597th jslip 780 35 5 Sep 2018 597th rak1507 🇬🇧 780 35 20 Sep 2021 599th primo-ppcg 🇹🇭 778 54 11 May 2020 600th bforte 778 74 9 Dec 2018 Prev 526–600 of 2,883 Next