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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 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 Bytes Time Submitted 364th albanian-laundromat 921 66 1,231ms 19 days ago 364th snoozingnewt 🇺🇸 921 66 1,246ms 6 mins ago 378th HPWiz 🇳🇿 920 32 51ms 17 Aug 2023 379th sisyphus-ppcg 🇦🇺 920 64 65ms 12 Dec 2022 379th Lydxn 🇨🇦 920 64 67ms 13 Dec 2022 379th Steffan153 🇫🇮 920 64 64ms 28 Jan 2023 379th ovs-code 🇩🇪 920 64 69ms 21 Apr 2024 379th DialFrost 🇸🇬 920 64 65ms 20 Feb 2025 379th sean-niemann 🇺🇸 920 64 68ms 20 Feb 2025 379th snoozingnewt 🇺🇸 920 64 64ms 46 hours ago 386th inventshah 919 66 2,116ms 24 Oct 2024 386th btnlq 919 66 2,783ms 26 Oct 2024 386th stefangimmillaro 919 66 2,879ms 29 Oct 2024 386th pardouin 🇫🇷 919 66 2,836ms 31 Oct 2024 386th JayXon 🇺🇸 919 66 2,836ms 7 Nov 2024 386th emgordon154 919 66 2,755ms 20 Nov 2024 392nd Lydxn 🇨🇦 919 72 2ms 10 Sep 2022 392nd GrayJoKing 🇦🇺 919 72 2ms 10 Sep 2022 392nd JayXon 🇺🇸 919 72 2ms 10 Sep 2022 392nd btnlq 919 72 2ms 11 Sep 2022 392nd Steffan153 🇫🇮 919 72 3ms 19 Aug 2024 397th bforte 919 74 144ms 9 Dec 2018 397th annaproxy 919 74 152ms 12 Jan 2022 397th rak1507 🇬🇧 919 74 157ms 23 Feb 2022 397th snoozingnewt 🇺🇸 919 74 150ms 1 Sep 2024 397th Natanaelel 🇸🇪 919 74 157ms 31 May 2025 402nd primo-ppcg 🇹🇭 918 41 144ms 6 Oct 2020 402nd Natanaelel 🇸🇪 918 41 134ms 7 Oct 2021 402nd sisyphus-ppcg 🇦🇺 918 41 143ms 31 Jan 2023 405th Steffan153 🇫🇮 918 64 5ms 11 Dec 2023 405th Yewzir 🇧🇪 918 64 5ms 14 Dec 2023 405th Lydxn 🇨🇦 918 64 5ms 20 Dec 2023 405th dokutan 918 64 5ms 19 May 2024 405th emgordon154 918 64 5ms 5 Dec 2024 405th edsrzf 🇳🇿 918 64 5ms 21 Jan 2025 405th sean-niemann 🇺🇸 918 64 5ms 19 Apr 2025 405th kg583 🇺🇸 918 64 5ms 30 Jul 2025 405th snoozingnewt 🇺🇸 918 64 7ms 26 mins ago 414th primo-ppcg 🇹🇭 918 80 309ms 21 Nov 2021 414th prplz 🇦🇺 918 80 309ms 21 Nov 2021 414th annaproxy 918 80 321ms 5 May 2022 414th tomtheisen 🇺🇸 918 80 335ms 17 Jan 2023 414th Steffan153 🇫🇮 918 80 343ms 28 Jan 2023 414th AdrienHache 🇫🇷 918 80 349ms 30 May 2023 414th MeWhenI 🇻🇦 918 80 336ms 26 Jul 2023 414th DialFrost 🇸🇬 918 80 342ms 26 Dec 2024 414th sean-niemann 🇺🇸 918 80 330ms 9 Jan 2025 414th Yax42 🇫🇷 918 80 321ms 15 Aug 2025 424th Lydxn 🇨🇦 917 63 3ms 16 Jul 2023 424th Steffan153 🇫🇮 917 63 131ms 22 Aug 2024 424th sean-niemann 🇺🇸 917 63 136ms 22 Aug 2024 424th JayXon 🇺🇸 917 63 133ms 23 Aug 2024 424th lukegustafson 🇺🇸 917 63 133ms 12 Sep 2024 424th emplv 🇱🇻 917 63 133ms 17 Jul 2025 430th lifthrasiir 🇰🇷 917 77 9ms 11 Dec 2024 430th jared-hughes 917 77 7ms 15 Dec 2024 432nd bendiscz 917 111 266ms 20 Apr 2020 432nd emplv 🇱🇻 917 111 255ms 31 Aug 2021 432nd jared-hughes 917 111 255ms 27 Feb 2024 432nd edsrzf 🇳🇿 917 111 260ms 26 Oct 2024 432nd keelimeguy 🇺🇸 917 111 253ms 28 Apr 2025 432nd CaedenHarper 🇨🇦 917 111 232ms 10 days ago 438th lynn 916 54 190ms 25 May 2022 439th GrayJoKing 🇦🇺 916 69 4ms 29 Apr 2021 439th xsot 🇸🇬 916 69 4ms 16 Jun 2024 441st AlephSquirrel 916 83 6ms 21 Jan 2023 441st edsrzf 🇳🇿 916 83 5ms 11 Apr 2025 441st kg583 🇺🇸 916 83 6ms 3 May 2025 444th btnlq 915 61 2ms 5 Nov 2022 445th Lydxn 🇨🇦 915 70 39ms 21 Jun 2022 446th Lydxn 🇨🇦 915 76 105ms 14 Oct 2022 446th sean-niemann 🇺🇸 915 76 102ms 14 Oct 2022 446th JayXon 🇺🇸 915 76 104ms 14 Oct 2022 446th MeWhenI 🇻🇦 915 76 106ms 14 Oct 2022 446th Steffan153 🇫🇮 915 76 101ms 14 Oct 2022 First Prev 376–450 of 3,126 Next Last