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 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 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 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 Erlang 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 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 Erlang 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 Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 372nd DialFrost 🇸🇬 920 64 65ms 20 Feb 2025 372nd sean-niemann 🇺🇸 920 64 68ms 20 Feb 2025 378th inventshah 919 66 2,116ms 24 Oct 2024 378th btnlq 919 66 2,855ms 26 Oct 2024 378th stefangimmillaro 919 66 3,070ms 29 Oct 2024 378th pardouin 🇫🇷 919 66 3,051ms 31 Oct 2024 378th JayXon 🇺🇸 919 66 2,947ms 7 Nov 2024 378th emgordon154 919 66 3,007ms 20 Nov 2024 384th Lydxn 🇨🇦 919 72 2ms 10 Sep 2022 384th GrayJoKing 🇦🇺 919 72 2ms 10 Sep 2022 384th JayXon 🇺🇸 919 72 2ms 10 Sep 2022 384th btnlq 919 72 2ms 11 Sep 2022 384th Steffan153 🇫🇮 919 72 3ms 19 Aug 2024 389th bforte 919 74 144ms 9 Dec 2018 389th annaproxy 919 74 152ms 12 Jan 2022 389th rak1507 🇬🇧 919 74 157ms 23 Feb 2022 389th snoozingnewt 🇺🇸 919 74 150ms 1 Sep 2024 389th Natanaelel 🇸🇪 919 74 157ms 31 May 2025 394th primo-ppcg 🇹🇭 918 41 144ms 6 Oct 2020 394th Natanaelel 🇸🇪 918 41 134ms 7 Oct 2021 394th sisyphus-ppcg 🇦🇺 918 41 143ms 31 Jan 2023 397th Steffan153 🇫🇮 918 64 7ms 11 Dec 2023 397th Yewzir 🇧🇪 918 64 10ms 14 Dec 2023 397th Lydxn 🇨🇦 918 64 8ms 20 Dec 2023 397th dokutan 918 64 7ms 19 May 2024 397th emgordon154 918 64 7ms 5 Dec 2024 397th edsrzf 🇳🇿 918 64 6ms 21 Jan 2025 397th sean-niemann 🇺🇸 918 64 10ms 19 Apr 2025 397th kg583 🇺🇸 918 64 7ms 30 Jul 2025 405th primo-ppcg 🇹🇭 918 80 309ms 21 Nov 2021 405th prplz 🇦🇺 918 80 309ms 21 Nov 2021 405th annaproxy 918 80 321ms 5 May 2022 405th tomtheisen 🇺🇸 918 80 359ms 17 Jan 2023 405th Steffan153 🇫🇮 918 80 343ms 28 Jan 2023 405th AdrienHache 🇫🇷 918 80 349ms 30 May 2023 405th MeWhenI 🇻🇦 918 80 336ms 26 Jul 2023 405th DialFrost 🇸🇬 918 80 342ms 26 Dec 2024 405th sean-niemann 🇺🇸 918 80 330ms 9 Jan 2025 405th Yax42 🇫🇷 918 80 321ms 15 Aug 2025 415th Lydxn 🇨🇦 917 63 3ms 16 Jul 2023 415th Steffan153 🇫🇮 917 63 131ms 22 Aug 2024 415th sean-niemann 🇺🇸 917 63 136ms 22 Aug 2024 415th JayXon 🇺🇸 917 63 133ms 23 Aug 2024 415th lukegustafson 🇺🇸 917 63 133ms 12 Sep 2024 415th emplv 🇱🇻 917 63 133ms 17 Jul 2025 421st lifthrasiir 🇰🇷 917 77 9ms 11 Dec 2024 421st jared-hughes 917 77 7ms 15 Dec 2024 423rd bendiscz 917 111 267ms 20 Apr 2020 423rd emplv 🇱🇻 917 111 255ms 31 Aug 2021 423rd jared-hughes 917 111 255ms 27 Feb 2024 423rd edsrzf 🇳🇿 917 111 263ms 26 Oct 2024 423rd keelimeguy 🇺🇸 917 111 258ms 28 Apr 2025 423rd CaedenHarper 🇨🇦 917 111 232ms 5 days ago 429th lynn 916 54 190ms 25 May 2022 430th GrayJoKing 🇦🇺 916 69 4ms 29 Apr 2021 430th xsot 🇸🇬 916 69 4ms 16 Jun 2024 432nd AlephSquirrel 916 83 6ms 21 Jan 2023 432nd edsrzf 🇳🇿 916 83 5ms 11 Apr 2025 432nd kg583 🇺🇸 916 83 6ms 3 May 2025 435th btnlq 915 61 2ms 5 Nov 2022 436th Lydxn 🇨🇦 915 76 105ms 14 Oct 2022 436th sean-niemann 🇺🇸 915 76 102ms 14 Oct 2022 436th JayXon 🇺🇸 915 76 104ms 14 Oct 2022 436th MeWhenI 🇻🇦 915 76 106ms 14 Oct 2022 436th Steffan153 🇫🇮 915 76 101ms 14 Oct 2022 436th stefangimmillaro 915 76 103ms 14 Oct 2022 436th Shanethegamer 🇺🇸 915 76 109ms 13 Mar 2023 436th DialFrost 🇸🇬 915 76 112ms 26 Dec 2024 444th nwellnhof 🇩🇪 915 78 2ms 7 Jan 2021 444th Alex-x90 🇺🇸 915 78 2ms 27 Jan 2023 444th inventshah 915 78 2ms 27 Jan 2023 444th Steffan153 🇫🇮 915 78 2ms 28 Jan 2023 444th sean-niemann 🇺🇸 915 78 2ms 7 Mar 2025 449th sisyphus-ppcg 🇦🇺 915 91 1ms 18 May 2022 449th ovs-code 🇩🇪 915 91 1ms 20 May 2022 First Prev 376–450 of 3,111 Next Last