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 Calendar 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 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 Numbrix 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 ArkScript 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 ArkScript 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 Calendar 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 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 Numbrix 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 241st JayXon 🇺🇸 912 68 460ms 28 Feb 2022 241st Lydxn 🇨🇦 912 68 452ms 28 Feb 2022 241st sean-niemann 🇺🇸 912 68 419ms 23 Dec 2024 244th lifthrasiir 🇰🇷 912 77 9ms 11 Dec 2024 244th jared-hughes 912 77 7ms 15 Dec 2024 246th Bubbler-4 911 30 36ms 2 Feb 2022 246th ovs-code 🇩🇪 911 30 32ms 17 Aug 2023 248th GrayJoKing 🇦🇺 911 53 2ms 10 Sep 2022 248th Steffan153 🇫🇮 911 53 2ms 19 Aug 2024 250th primo-ppcg 🇹🇭 911 69 119ms 14 Jan 2022 250th Steffan153 🇫🇮 911 69 115ms 25 Apr 2023 252nd btnlq 911 78 1ms 7 Nov 2020 253rd btnlq 910 61 2ms 5 Nov 2022 254th Steffan153 🇫🇮 908 47 123ms 6 Aug 2024 254th sean-niemann 🇺🇸 908 47 124ms 19 May 2025 256th Lydxn 🇨🇦 908 72 5ms 28 Feb 2023 257th schachmattmatt 906 52 9ms 11 Aug 2021 258th MeWhenI 🇻🇦 906 58 4ms 16 Dec 2024 258th Yewzir 🇧🇪 906 58 4ms 17 Dec 2024 258th GolfingSuccess 🇬🇷 906 58 5ms 11 Sep 2025 261st Lydxn 🇨🇦 906 76 27ms 28 Jan 2023 261st Steffan153 🇫🇮 906 76 27ms 25 Apr 2023 261st sean-niemann 🇺🇸 906 76 28ms 19 May 2025 264th frankgraziano 905 144 10ms 11 Aug 2025 264th primo-ppcg 🇹🇭 905 144 10ms 13 Aug 2025 264th DialFrost 🇸🇬 905 144 9ms 13 Aug 2025 267th Lydxn 🇨🇦 904 75 25ms 14 Jun 2022 268th primo-ppcg 🇹🇭 903 94 244ms 21 Apr 2020 268th stefangimmillaro 903 94 266ms 21 Aug 2023 268th sean-niemann 🇺🇸 903 94 242ms 20 Feb 2025 271st canissimia 🇦🇶 903 194 4ms 21 Sep 2021 272nd dvargas46 🇺🇸 902 55 53ms 15 Nov 2022 273rd primo-ppcg 🇹🇭 900 60 405ms 21 Nov 2021 274th JayXon 🇺🇸 898 62 41ms 20 Aug 2021 275th Shanethegamer 🇺🇸 898 68 105ms 7 Nov 2025 275th emgordon154 898 68 151ms 27 Nov 2025 275th GolfingSuccess 🇬🇷 898 68 138ms 28 Nov 2025 275th edsrzf 🇳🇿 898 68 120ms 28 Nov 2025 275th DialFrost 🇸🇬 898 68 103ms 28 Nov 2025 275th snoozingnewt 🇨🇦 898 68 100ms 30 Nov 2025 275th sean-niemann 🇺🇸 898 68 107ms 7 Dec 2025 282nd kg583 🇺🇸 898 71 40ms 31 Aug 2024 283rd GrayJoKing 🇦🇺 896 73 2ms 12 Feb 2023 283rd Steffan153 🇫🇮 896 73 3ms 1 Nov 2023 285th tailorspy 896 77 54ms 22 Sep 2024 286th MeWhenI 🇻🇦 894 95 250ms 22 Aug 2023 287th JayXon 🇺🇸 892 59 1ms 6 Jan 2021 288th JayXon 🇺🇸 892 76 25ms 17 Apr 2022 288th m-tkach 🇺🇦 892 76 24ms 9 Mar 2023 290th DialFrost 🇸🇬 890 55 1,020ms 28 Feb 2025 291st imrich-nagy 889 53 9ms 7 Sep 2020 292nd sisyphus-ppcg 🇦🇺 888 58 72ms 13 Dec 2022 293rd saito-ta 🇯🇵 887 39 2ms 24 Oct 2023 294th Lydxn 🇨🇦 887 104 1,741ms 22 Apr 2024 294th JayXon 🇺🇸 887 104 1,757ms 22 Apr 2024 296th Shanethegamer 🇺🇸 887 147 10ms 1 Aug 2023 296th MeWhenI 🇻🇦 887 147 9ms 1 Aug 2023 296th Lydxn 🇨🇦 887 147 10ms 1 Aug 2023 296th JayXon 🇺🇸 887 147 9ms 2 Aug 2023 296th Steffan153 🇫🇮 887 147 9ms 2 Aug 2023 296th janbehrens 🇩🇪 887 147 9ms 2 Aug 2023 296th GrayJoKing 🇦🇺 887 147 10ms 11 Aug 2023 296th BREMAUCY 🇫🇷 887 147 10ms 7 Sep 2023 296th dokutan 887 147 9ms 26 Oct 2023 296th Yewzir 🇧🇪 887 147 10ms 12 Mar 2024 296th HumanoidCPU 887 147 10ms 13 May 2024 296th pardouin 🇫🇷 887 147 9ms 20 Aug 2024 296th KatieLG 🇬🇧 887 147 10ms 26 Sep 2024 296th emgordon154 887 147 9ms 4 Dec 2024 296th CaedenHarper 🇨🇦 887 147 9ms 24 Jan 2025 296th rucin93 🇵🇱 887 147 10ms 23 Apr 2025 296th albanian-laundromat 887 147 10ms 20 Jul 2025 296th Babafaba 887 147 10ms 24 Oct 2025 296th GolfingSuccess 🇬🇷 887 147 10ms 8 Nov 2025 296th snoozingnewt 🇨🇦 887 147 10ms 5 Dec 2025 316th prplz 🇦🇺 886 35 99ms 12 Mar 2020 317th sean-niemann 🇺🇸 885 57 1ms 7 Dec 2025 318th ScottHamper 882 56 9ms 30 May 2021 318th JayXon 🇺🇸 882 56 10ms 9 Mar 2023 318th Steffan153 🇫🇮 882 56 9ms 9 Aug 2024 First Prev 241–320 of 3,142 Next Last