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 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 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 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 Bytes Time Submitted 524th m-tkach 🇺🇦 901 91 27ms 9 Mar 2023 527th juliansiebert 🇩🇪 900 55 209ms 31 Jul 2022 528th tailorspy 900 96 56ms 22 Sep 2024 529th thospel 896 42 140ms 25 Jun 2018 529th Lydxn 🇨🇦 896 42 141ms 21 Feb 2023 531st DaDerpDuck 896 75 2ms 24 Jan 2021 532nd GolfingSuccess 🇬🇷 896 77 1ms 19 Mar 2025 532nd sean-niemann 🇺🇸 896 77 1ms 15 days ago 534th MeWhenI 🇻🇦 896 93 1ms 18 May 2022 535th ETHproductions 🇺🇸 895 67 10ms 14 Apr 2018 536th MeWhenI 🇻🇦 894 75 4ms 22 Mar 2024 537th marcin7Cd 894 85 7ms 15 Feb 2021 537th primo-ppcg 🇹🇭 894 85 7ms 1 Mar 2021 537th CLOStrophobic 🇮🇹 894 85 6ms 14 Feb 2025 540th lifthrasiir 🇰🇷 893 28 3ms 29 Nov 2024 541st Constructor7 893 68 9ms 24 Feb 2018 541st GolfingSuccess 🇬🇷 893 68 12ms 26 Mar 2018 541st kmaork 🇮🇱 893 68 9ms 18 Apr 2018 541st edre 893 68 10ms 30 Apr 2018 541st j55d 893 68 10ms 19 Sep 2018 541st daedals 893 68 9ms 16 Apr 2019 541st villfa 893 68 9ms 20 May 2019 541st TFeld00 🇩🇰 893 68 9ms 31 May 2019 541st marcin7Cd 893 68 10ms 27 Aug 2019 541st xorraxrax 893 68 9ms 19 Oct 2019 541st jiaminglimjm 🇲🇾 893 68 10ms 12 Dec 2019 541st SirBogman 🇺🇸 893 68 9ms 4 Jan 2020 541st thisishowmymindworks 🇳🇴 893 68 9ms 22 Jul 2020 541st ToriTheChicken 893 68 9ms 23 Jul 2020 541st ydevor 🇮🇱 893 68 9ms 26 Nov 2020 541st anter69 🇭🇺 893 68 9ms 14 Jan 2021 541st HETHAT 🇩🇿 893 68 9ms 31 Jan 2021 541st vezzick 893 68 9ms 7 Mar 2021 541st Indivicivet 893 68 9ms 26 Mar 2021 541st emplv 🇱🇻 893 68 9ms 31 Aug 2021 541st MichaelMBradley 🇨🇦 893 68 10ms 11 Jun 2022 541st janbehrens 🇩🇪 893 68 9ms 4 Jul 2022 541st betaveros 893 68 9ms 9 Aug 2022 541st 5quiwyrm 893 68 10ms 20 Aug 2022 541st PowerR0 893 68 10ms 25 Aug 2022 541st ItsMeNoobieboy 893 68 9ms 21 Dec 2022 541st scpchicken 🇵🇼 893 68 9ms 28 Jan 2023 541st CheeseCake628 🇳🇴 893 68 16ms 16 Feb 2023 541st Just4FunCoder 893 68 9ms 22 Mar 2023 541st fourth-bit 893 68 9ms 11 Jul 2023 541st RYNO8 893 68 9ms 22 Aug 2023 541st Yewzir 🇧🇪 893 68 11ms 6 Oct 2023 541st keelimeguy 🇺🇸 893 68 16ms 19 Oct 2023 541st 1231234md5 🇨🇳 893 68 10ms 13 Dec 2023 541st stackofbears 893 68 9ms 27 Dec 2023 541st CutSandstone 893 68 9ms 5 Jul 2024 541st Bulmenisaurus 893 68 9ms 17 Jul 2024 541st CaedenHarper 🇨🇦 893 68 10ms 6 Aug 2024 541st codingisgreatbutiamnot 893 68 17ms 12 Aug 2024 541st Troon 893 68 9ms 11 Feb 2025 541st plcc0 893 68 10ms 20 Feb 2025 541st albanian-laundromat 893 68 10ms 30 Jun 2025 541st KasperKivimaeki 🇫🇮 893 68 11ms 2 Jul 2025 541st SanderRuud 893 68 9ms 13 Jul 2025 541st qpwoeirut 893 68 9ms 1 Oct 2025 541st countlpaul-dotcom 893 68 9ms 19 Oct 2025 541st ryyyn 🇺🇸 893 68 9ms 15 hours ago 588th primo-ppcg 🇹🇭 893 91 121ms 14 Jan 2022 589th stackofbears 892 33 35ms 14 Mar 2025 589th 2bular 892 33 30ms 27 days ago 591st MeWhenI 🇻🇦 892 66 66ms 13 Dec 2022 592nd DialFrost 🇸🇬 892 68 2,943ms 25 Dec 2024 592nd GolfingSuccess 🇬🇷 892 68 4ms 11 Sep 2025 594th Shanethegamer 🇺🇸 892 78 101ms 26 days ago 594th emgordon154 892 78 101ms 6 days ago 594th GolfingSuccess 🇬🇷 892 78 95ms 6 days ago 594th edsrzf 🇳🇿 892 78 91ms 6 days ago 594th DialFrost 🇸🇬 892 78 95ms 5 days ago 594th snoozingnewt 🇨🇦 892 78 91ms 4 days ago 600th prplz 🇦🇺 892 80 2ms 20 Oct 2020 First Prev 526–600 of 3,131 Next Last
