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Happy Numbers 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 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab 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 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 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 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 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 526th somebody1234 807 85 6ms 20 Nov 2018 526th dokutan 807 85 6ms 15 Jan 2024 526th Yewzir 🇧🇪 807 85 6ms 6 Feb 2024 529th ovs-code 🇩🇪 805 77 495ms 29 Jul 2024 530th sisyphus-ppcg 🇦🇺 805 91 1ms 18 May 2022 530th ovs-code 🇩🇪 805 91 1ms 20 May 2022 530th inventshah 805 91 1ms 4 Jun 2022 530th nwellnhof 🇩🇪 805 91 2ms 8 Jul 2022 530th retrohun 805 91 1ms 30 Apr 2023 530th kritixilithos 805 91 1ms 22 May 2024 536th lynn 804 34 41ms 13 Apr 2021 536th jared-hughes 804 34 34ms 30 Sep 2021 536th Natanaelel 🇸🇪 804 34 43ms 28 Nov 2023 536th SirBogman 🇺🇸 804 34 36ms 8 Jul 2025 536th fuzzylojik-golf 🇺🇸 804 34 35ms 9 Sep 2025 541st primo-ppcg 🇹🇭 802 61 91ms 9 Feb 2022 542nd Bubbler-4 801 72 163ms 20 Feb 2019 542nd xnor-gate 801 72 156ms 22 Dec 2021 542nd tobeannouncd 801 72 177ms 11 Jan 2024 545th pardouin 🇫🇷 801 106 271ms 24 Aug 2024 546th DialFrost 🇸🇬 800 62 57ms 21 Jan 2025 547th kevinmchung 799 59 15ms 24 Feb 2018 547th benwilliamgraham 799 59 9ms 26 Jan 2019 547th mogron 799 59 9ms 13 Dec 2019 547th mortimervonchappuis 799 59 9ms 17 Mar 2020 547th OllieBoyne 🇬🇧 799 59 10ms 16 Jan 2021 547th SnowballSH 799 59 9ms 31 Jan 2021 547th vishwathg 799 59 10ms 16 Aug 2022 547th StefanHabel 🇨🇦 799 59 10ms 11 Dec 2022 547th emirps 799 59 10ms 22 Feb 2023 547th AlexanderFair 799 59 9ms 2 Jul 2023 547th AVDestroyer 799 59 10ms 4 Sep 2023 547th eiburns 799 59 9ms 13 Sep 2023 547th m42km 799 59 9ms 7 Oct 2023 547th elgan65536 799 59 17ms 4 Apr 2024 547th KasperKivimaeki 🇫🇮 799 59 10ms 5 Jul 2025 547th dirckvdende 799 59 9ms 6 Jul 2025 563rd clockworknazo 798 82 4ms 13 Oct 2022 563rd ovs-code 🇩🇪 798 82 5ms 7 Feb 2023 565th emplv 🇱🇻 797 62 10ms 15 Dec 2021 565th rucin93 🇵🇱 797 62 9ms 19 Apr 2024 565th vlpx 🇫🇮 797 62 10ms 18 Jun 2024 568th SirFireball3521 796 39 145ms 22 Mar 2023 569th primo-ppcg 🇹🇭 796 70 50ms 4 Jan 2024 569th stefangimmillaro 796 70 43ms 14 Jan 2024 571st MeWhenI 🇻🇦 795 44 4ms 12 Aug 2024 571st sisyphus-ppcg 🇦🇺 795 44 4ms 12 Aug 2024 571st DialFrost 🇸🇬 795 44 4ms 15 Aug 2024 571st ovs-code 🇩🇪 795 44 4ms 15 Aug 2024 571st Shanethegamer 🇺🇸 795 44 4ms 15 Aug 2024 571st GrayJoKing 🇦🇺 795 44 5ms 17 Aug 2024 571st emgordon154 795 44 5ms 19 Aug 2024 571st pardouin 🇫🇷 795 44 5ms 6 Sep 2024 571st sean-niemann 🇺🇸 795 44 4ms 13 Jan 2025 580th Yewzir 🇧🇪 792 54 5ms 14 Dec 2023 580th dokutan 792 54 5ms 19 May 2024 580th emgordon154 792 54 5ms 5 Dec 2024 580th edsrzf 🇳🇿 792 54 5ms 21 Jan 2025 580th kg583 🇺🇸 792 54 5ms 30 Jul 2025 585th neel11235813 791 55 397ms 10 Mar 2024 585th albanian-laundromat 791 55 350ms 7 Oct 2025 587th flawr 790 73 187ms 24 Feb 2019 587th GrayJoKing 🇦🇺 790 73 196ms 5 Dec 2020 587th Shanethegamer 🇺🇸 790 73 135ms 15 Jul 2021 587th yzhs 🇩🇪 790 73 149ms 24 Jul 2021 587th MeWhenI 🇻🇦 790 73 153ms 15 Sep 2021 587th sisyphus-ppcg 🇦🇺 790 73 130ms 16 Mar 2022 587th DaCuteRaccoon 790 73 175ms 30 Nov 2022 587th DialFrost 🇸🇬 790 73 184ms 28 Jan 2023 587th scpchicken 🇵🇼 790 73 174ms 7 Mar 2023 587th pardouin 🇫🇷 790 73 161ms 21 Sep 2024 587th LostSyntax21 🇬🇧 790 73 142ms 8 Jan 2025 598th Yewzir 🇧🇪 787 69 103ms 6 Dec 2023 599th MeWhenI 🇻🇦 787 93 1ms 18 May 2022 600th lifthrasiir 🇰🇷 786 28 3ms 29 Nov 2024 First Prev 526–600 of 3,101 Next Last