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 Tower of Hanoi 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 Multitap Input NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers 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 Tower of Hanoi 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 Multitap Input NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 225th saito-ta 🇯🇵 915 80 1ms 11 Jun 2023 227th Natanaelel 🇸🇪 913 34 141ms 7 Oct 2021 227th Lydxn 🇨🇦 913 34 141ms 21 Feb 2023 229th primo-ppcg 🇹🇭 913 50 4ms 3 Jul 2023 230th Lydxn 🇨🇦 913 61 51ms 14 Jun 2022 231st nwellnhof 🇩🇪 913 93 281ms 6 Jan 2021 231st Steffan153 🇫🇮 913 93 263ms 9 Aug 2024 233rd MeWhenI 🇻🇦 912 47 2,667ms 24 Oct 2024 234th JayXon 🇺🇸 912 68 472ms 28 Feb 2022 234th Lydxn 🇨🇦 912 68 503ms 28 Feb 2022 234th sean-niemann 🇺🇸 912 68 419ms 23 Dec 2024 237th lifthrasiir 🇰🇷 912 77 9ms 11 Dec 2024 237th jared-hughes 912 77 7ms 15 Dec 2024 239th Bubbler-4 911 30 39ms 2 Feb 2022 239th ovs-code 🇩🇪 911 30 32ms 17 Aug 2023 241st GrayJoKing 🇦🇺 911 53 2ms 10 Sep 2022 241st Steffan153 🇫🇮 911 53 3ms 19 Aug 2024 243rd primo-ppcg 🇹🇭 911 69 121ms 14 Jan 2022 243rd Steffan153 🇫🇮 911 69 120ms 25 Apr 2023 245th btnlq 911 78 1ms 7 Nov 2020 246th btnlq 909 61 2ms 5 Nov 2022 247th Steffan153 🇫🇮 908 47 126ms 6 Aug 2024 247th sean-niemann 🇺🇸 908 47 125ms 19 May 2025 249th Lydxn 🇨🇦 908 72 5ms 28 Feb 2023 250th schachmattmatt 906 52 9ms 11 Aug 2021 251st MeWhenI 🇻🇦 906 58 4ms 16 Dec 2024 251st Yewzir 🇧🇪 906 58 4ms 17 Dec 2024 251st GolfingSuccess 🇬🇷 906 58 4ms 11 Sep 2025 254th Lydxn 🇨🇦 906 76 29ms 28 Jan 2023 254th Steffan153 🇫🇮 906 76 27ms 25 Apr 2023 254th sean-niemann 🇺🇸 906 76 29ms 19 May 2025 257th frankgraziano 905 144 10ms 11 Aug 2025 257th primo-ppcg 🇹🇭 905 144 10ms 13 Aug 2025 257th DialFrost 🇸🇬 905 144 11ms 13 Aug 2025 260th Lydxn 🇨🇦 904 75 26ms 14 Jun 2022 261st primo-ppcg 🇹🇭 903 94 275ms 21 Apr 2020 261st stefangimmillaro 903 94 274ms 21 Aug 2023 261st sean-niemann 🇺🇸 903 94 266ms 20 Feb 2025 264th canissimia 🇦🇶 903 194 4ms 21 Sep 2021 265th dvargas46 🇺🇸 902 55 47ms 15 Nov 2022 266th primo-ppcg 🇹🇭 900 60 310ms 21 Nov 2021 267th JayXon 🇺🇸 898 62 44ms 20 Aug 2021 268th kg583 🇺🇸 898 71 41ms 31 Aug 2024 269th GrayJoKing 🇦🇺 896 73 2ms 12 Feb 2023 269th Steffan153 🇫🇮 896 73 3ms 1 Nov 2023 271st Shanethegamer 🇺🇸 895 68 101ms 7 Nov 2025 271st emgordon154 895 68 101ms 11 days ago 271st GolfingSuccess 🇬🇷 895 68 95ms 10 days ago 271st edsrzf 🇳🇿 895 68 91ms 10 days ago 271st DialFrost 🇸🇬 895 68 95ms 9 days ago 271st snoozingnewt 🇨🇦 895 68 91ms 8 days ago 271st sean-niemann 🇺🇸 895 68 94ms 20 hours ago 278th tailorspy 895 77 56ms 22 Sep 2024 279th MeWhenI 🇻🇦 893 95 282ms 22 Aug 2023 280th JayXon 🇺🇸 892 59 1ms 6 Jan 2021 281st JayXon 🇺🇸 892 76 31ms 17 Apr 2022 281st m-tkach 🇺🇦 892 76 26ms 9 Mar 2023 283rd imrich-nagy 889 53 9ms 7 Sep 2020 284th DialFrost 🇸🇬 889 55 17ms 28 Feb 2025 285th sisyphus-ppcg 🇦🇺 888 58 66ms 13 Dec 2022 286th saito-ta 🇯🇵 887 39 3ms 24 Oct 2023 287th Lydxn 🇨🇦 887 104 1,669ms 22 Apr 2024 287th JayXon 🇺🇸 887 104 1,688ms 22 Apr 2024 289th Shanethegamer 🇺🇸 887 147 10ms 1 Aug 2023 289th MeWhenI 🇻🇦 887 147 10ms 1 Aug 2023 289th Lydxn 🇨🇦 887 147 10ms 1 Aug 2023 289th JayXon 🇺🇸 887 147 10ms 2 Aug 2023 289th Steffan153 🇫🇮 887 147 10ms 2 Aug 2023 289th janbehrens 🇩🇪 887 147 10ms 2 Aug 2023 289th GrayJoKing 🇦🇺 887 147 10ms 11 Aug 2023 289th BREMAUCY 🇫🇷 887 147 10ms 7 Sep 2023 289th dokutan 887 147 10ms 26 Oct 2023 289th Yewzir 🇧🇪 887 147 10ms 12 Mar 2024 289th HumanoidCPU 887 147 10ms 13 May 2024 289th pardouin 🇫🇷 887 147 10ms 20 Aug 2024 First Prev 226–300 of 3,121 Next Last