Happy Numbers in all languages in bytes. 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 239th lynn 936 87 124ms 7 Jul 2024 239th DialFrost 🇸🇬 936 87 118ms 4 Apr 2025 239th acotis 936 87 124ms 15 Apr 2025 239th emgordon154 936 87 120ms 18 Apr 2025 239th ovs-code 🇩🇪 936 87 119ms 20 Apr 2025 239th pardouin 🇫🇷 936 87 137ms 20 Apr 2025 239th stefangimmillaro 936 87 123ms 18 May 2025 239th sean-niemann 🇺🇸 936 87 128ms 6 Jun 2025 239th kumavale 936 87 124ms 17 Aug 2025 239th Steffan153 🇫🇮 936 87 128ms 16 Feb 2026 251st primo-ppcg 🇹🇭 935 53 217ms 20 Oct 2020 251st prplz 🇦🇺 935 53 202ms 20 Oct 2020 251st btnlq 935 53 197ms 13 Dec 2020 251st JayXon 🇺🇸 935 53 246ms 28 Jun 2021 251st nwellnhof 🇩🇪 935 53 229ms 27 Dec 2021 251st sisyphus-ppcg 🇦🇺 935 53 219ms 15 Aug 2022 251st stefangimmillaro 935 53 220ms 22 Aug 2022 251st MeWhenI 🇻🇦 935 53 218ms 29 Jan 2023 251st Steffan153 🇫🇮 935 53 201ms 29 Jan 2023 251st SirBogman 🇺🇸 935 53 214ms 8 Jan 2024 251st DialFrost 🇸🇬 935 53 231ms 26 Dec 2024 251st sean-niemann 🇺🇸 935 53 241ms 6 Apr 2025 263rd SnowballSH 935 65 10ms 31 Jan 2021 263rd Larspolo 935 65 10ms 19 Jun 2021 263rd jared-hughes 935 65 11ms 29 Oct 2021 263rd falsidge 935 65 9ms 21 Jun 2023 263rd Babafaba 935 65 12ms 5 Nov 2025 263rd madex 🇩🇪 935 65 9ms 4 hours ago 269th lyphyser 933 51 59ms 26 Dec 2023 269th AdrienHache 🇫🇷 933 51 61ms 29 Aug 2024 271st JayXon 🇺🇸 933 72 1ms 9 Jul 2021 271st Lydxn 🇨🇦 933 72 1ms 9 Jul 2021 271st sisyphus-ppcg 🇦🇺 933 72 1ms 16 Mar 2022 271st GrayJoKing 🇦🇺 933 72 1ms 9 Apr 2022 271st btnlq 933 72 1ms 28 Dec 2022 271st Steffan153 🇫🇮 933 72 2ms 26 Feb 2026 277th HPWiz 🇳🇿 932 53 1,059ms 18 Mar 2022 278th sean-niemann 🇺🇸 932 60 2ms 29 Oct 2022 278th Lydxn 🇨🇦 932 60 2ms 30 Oct 2022 278th sisyphus-ppcg 🇦🇺 932 60 2ms 3 Nov 2022 278th primo-ppcg 🇹🇭 932 60 4ms 19 Nov 2022 278th clockworknazo 932 60 4ms 19 Nov 2022 278th Steffan153 🇫🇮 932 60 2ms 28 Jan 2023 278th xsot 🇸🇬 932 60 2ms 25 Jul 2023 278th DialFrost 🇸🇬 932 60 4ms 14 Sep 2023 278th fuzzylojik-golf 🇺🇸 932 60 4ms 15 Sep 2025 278th canissimia 🇦🇶 932 60 2ms 16 Jan 2026 288th flawr 932 73 136ms 24 Feb 2019 288th GrayJoKing 🇦🇺 932 73 136ms 5 Dec 2020 288th Shanethegamer 🇺🇸 932 73 140ms 15 Jul 2021 288th yzhs 🇩🇪 932 73 140ms 24 Jul 2021 288th sean-niemann 🇺🇸 932 73 132ms 7 Sep 2021 288th MeWhenI 🇻🇦 932 73 139ms 15 Sep 2021 288th sisyphus-ppcg 🇦🇺 932 73 140ms 16 Mar 2022 288th Lydxn 🇨🇦 932 73 139ms 4 Jul 2022 288th DaCuteRaccoon 932 73 136ms 30 Nov 2022 288th DialFrost 🇸🇬 932 73 142ms 28 Jan 2023 288th Steffan153 🇫🇮 932 73 137ms 28 Jan 2023 288th scpchicken 🇵🇼 932 73 140ms 7 Mar 2023 288th pardouin 🇫🇷 932 73 147ms 21 Sep 2024 288th LostSyntax21 🇬🇧 932 73 152ms 8 Jan 2025 288th snoozingnewt 🇨🇦 932 73 148ms 5 Dec 2025 288th edsrzf 🇳🇿 932 73 147ms 24 Dec 2025 304th nwellnhof 🇩🇪 931 79 352ms 21 Nov 2021 305th JayXon 🇺🇸 930 93 55ms 2 Jan 2022 305th Lydxn 🇨🇦 930 93 57ms 2 Jan 2022 305th inventshah 930 93 55ms 22 Apr 2023 305th xsot 🇸🇬 930 93 56ms 23 May 2024 309th MeWhenI 🇻🇦 929 54 3ms 12 Aug 2024 309th sisyphus-ppcg 🇦🇺 929 54 3ms 12 Aug 2024 309th Steffan153 🇫🇮 929 54 3ms 12 Aug 2024 309th btnlq 929 54 3ms 14 Aug 2024 309th DialFrost 🇸🇬 929 54 4ms 15 Aug 2024 309th ovs-code 🇩🇪 929 54 3ms 15 Aug 2024 309th Shanethegamer 🇺🇸 929 54 3ms 15 Aug 2024 309th GrayJoKing 🇦🇺 929 54 3ms 17 Aug 2024 309th emgordon154 929 54 3ms 19 Aug 2024 309th pardouin 🇫🇷 929 54 3ms 6 Sep 2024 309th sean-niemann 🇺🇸 929 54 3ms 13 Jan 2025 309th snoozingnewt 🇨🇦 929 54 3ms 30 Nov 2025 First Prev 241–320 of 3,297 Next Last