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 521st SnowballSH 798 59 31 Jan 2021 521st vishwathg 798 59 16 Aug 2022 521st StefanHabel 🇨🇦 798 59 11 Dec 2022 521st emirps 798 59 22 Feb 2023 521st AlexanderFair 798 59 2 Jul 2023 521st AVDestroyer 798 59 4 Sep 2023 521st eiburns 798 59 13 Sep 2023 521st m42km 798 59 7 Oct 2023 521st elgan65536 798 59 4 Apr 2024 521st KasperKivimaeki 🇫🇮 798 59 119 mins ago 536th emplv 🇱🇻 797 62 15 Dec 2021 536th rucin93 🇵🇱 797 62 19 Apr 2024 536th vlpx 🇫🇮 797 62 18 Jun 2024 539th SirFireball3521 795 39 22 Mar 2023 540th MeWhenI 🇻🇦 795 44 12 Aug 2024 540th sisyphus-ppcg 🇦🇺 795 44 12 Aug 2024 540th DialFrost 🇸🇬 795 44 15 Aug 2024 540th ovs-code 🇩🇪 795 44 15 Aug 2024 540th Shanethegamer 🇺🇸 795 44 15 Aug 2024 540th GrayJoKing 🇦🇺 795 44 17 Aug 2024 540th emgordon154 795 44 19 Aug 2024 540th pardouin 🇫🇷 795 44 6 Sep 2024 540th sean-niemann 🇺🇸 795 44 13 Jan 2025 549th primo-ppcg 🇹🇭 795 70 4 Jan 2024 549th stefangimmillaro 795 70 14 Jan 2024 551st clockworknazo 794 82 13 Oct 2022 551st ovs-code 🇩🇪 794 82 7 Feb 2023 553rd Yewzir 🇧🇪 792 125 23 Apr 2023 553rd janbehrens 🇩🇪 792 125 20 Jun 2023 555th Yewzir 🇧🇪 790 54 14 Dec 2023 555th dokutan 790 54 19 May 2024 555th emgordon154 790 54 5 Dec 2024 555th edsrzf 🇳🇿 790 54 21 Jan 2025 559th neel11235813 790 55 10 Mar 2024 560th flawr 789 73 24 Feb 2019 560th GrayJoKing 🇦🇺 789 73 5 Dec 2020 560th Shanethegamer 🇺🇸 789 73 15 Jul 2021 560th yzhs 🇩🇪 789 73 24 Jul 2021 560th MeWhenI 🇻🇦 789 73 15 Sep 2021 560th sisyphus-ppcg 🇦🇺 789 73 16 Mar 2022 560th DaCuteRaccoon 789 73 30 Nov 2022 560th DialFrost 🇸🇬 789 73 28 Jan 2023 560th scpchicken 🇵🇼 789 73 7 Mar 2023 560th pardouin 🇫🇷 789 73 21 Sep 2024 560th LostSyntax21 🇬🇧 789 73 8 Jan 2025 571st lifthrasiir 🇰🇷 786 28 29 Nov 2024 572nd Yewzir 🇧🇪 786 69 6 Dec 2023 573rd Jacob385 786 126 21 Feb 2025 574th stevelamm 785 60 5 Oct 2018 574th tjtnorton 785 60 29 Nov 2018 574th giacomogallina 785 60 14 Jun 2019 574th cellobix 785 60 14 Aug 2019 574th mizuzimu 785 60 4 Feb 2020 574th ArmaanAS 785 60 8 Mar 2021 574th RDShah 785 60 26 Nov 2021 574th QuincyNash 🇺🇸 785 60 30 Nov 2022 574th msbranicky 785 60 25 Jul 2023 574th Hebelub 785 60 5 Jan 2024 574th dokutan 785 60 23 Jan 2024 574th wh3n3v3r 🇨🇿 785 60 16 Nov 2024 574th JunkIce 785 60 23 Feb 2025 574th ffelixm 785 60 22 days ago 588th dmrichwa 🇺🇸 784 63 28 Jan 2023 588th targrik 784 63 19 Feb 2025 590th sisyphus-ppcg 🇦🇺 784 108 16 Mar 2022 591st MeWhenI 🇻🇦 783 93 18 May 2022 592nd hemphen 782 69 28 Aug 2022 593rd inventshah 782 88 27 Jan 2023 594th GrayJoKing 🇦🇺 781 67 31 Jan 2025 595th jslip 780 35 5 Sep 2018 595th SirBogman 🇺🇸 780 35 3 Nov 2019 595th rak1507 🇬🇧 780 35 20 Sep 2021 598th 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