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 Dragon Curve 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 Dragon Curve 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 560th JayXon 🇺🇸 904 91 24ms 17 Apr 2022 560th m-tkach 🇺🇦 904 91 24ms 9 Mar 2023 563rd janbehrens 🇩🇪 903 70 5ms 26 Nov 2023 564th edsrzf 🇳🇿 902 92 2ms 24 Feb 2026 565th juliansiebert 🇩🇪 901 55 206ms 31 Jul 2022 566th MeWhenI 🇻🇦 901 75 5ms 22 Mar 2024 567th Shanethegamer 🇺🇸 901 78 105ms 7 Nov 2025 567th emgordon154 901 78 113ms 27 Nov 2025 567th GolfingSuccess 🇬🇷 901 78 101ms 28 Nov 2025 567th edsrzf 🇳🇿 901 78 108ms 28 Nov 2025 567th DialFrost 🇸🇬 901 78 101ms 28 Nov 2025 567th snoozingnewt 🇨🇦 901 78 103ms 30 Nov 2025 567th sean-niemann 🇺🇸 901 78 118ms 7 Dec 2025 567th Steffan153 🇫🇮 901 78 104ms 27 Feb 2026 575th tailorspy 901 96 59ms 22 Sep 2024 576th GrayJoKing 🇦🇺 900 68 6ms 26 Feb 2026 576th Steffan153 🇫🇮 900 68 6ms 26 Feb 2026 578th edsrzf 🇳🇿 899 63 144ms 24 Feb 2026 579th MeWhenI 🇻🇦 897 93 2ms 18 May 2022 580th thospel 896 42 160ms 25 Jun 2018 580th Lydxn 🇨🇦 896 42 167ms 21 Feb 2023 582nd DaDerpDuck 896 75 1ms 24 Jan 2021 583rd ETHproductions 🇺🇸 895 67 10ms 14 Apr 2018 584th DialFrost 🇸🇬 895 68 2,560ms 25 Dec 2024 584th GolfingSuccess 🇬🇷 895 68 4ms 11 Sep 2025 584th albanian-laundromat 🇺🇸 895 68 4ms 6 Mar 2026 587th marcin7Cd 895 85 5ms 15 Feb 2021 587th primo-ppcg 🇹🇭 895 85 5ms 1 Mar 2021 587th CLOStrophobic 🇮🇹 895 85 5ms 14 Feb 2025 590th edsrzf 🇳🇿 895 90 39ms 21 Dec 2025 591st primo-ppcg 🇹🇭 895 91 128ms 14 Jan 2022 592nd MeWhenI 🇻🇦 895 92 24ms 13 Jul 2021 593rd Constructor7 894 68 10ms 24 Feb 2018 593rd GolfingSuccess 🇬🇷 894 68 14ms 26 Mar 2018 593rd kmaork 🇮🇱 894 68 10ms 18 Apr 2018 593rd edre 894 68 10ms 30 Apr 2018 593rd j55d 894 68 10ms 19 Sep 2018 593rd daedals 894 68 10ms 16 Apr 2019 593rd villfa 894 68 9ms 20 May 2019 593rd TFeld00 🇩🇰 894 68 10ms 31 May 2019 593rd marcin7Cd 894 68 11ms 27 Aug 2019 593rd xorraxrax 894 68 10ms 19 Oct 2019 593rd jiaminglimjm 🇲🇾 894 68 10ms 12 Dec 2019 593rd SirBogman 🇺🇸 894 68 10ms 4 Jan 2020 593rd thisishowmymindworks 🇳🇴 894 68 10ms 22 Jul 2020 593rd ToriTheChicken 894 68 9ms 23 Jul 2020 593rd ydevor 🇮🇱 894 68 11ms 26 Nov 2020 593rd anter69 🇭🇺 894 68 10ms 14 Jan 2021 593rd HETHAT 🇩🇿 894 68 10ms 31 Jan 2021 593rd vezzick 894 68 9ms 7 Mar 2021 593rd Indivicivet 894 68 11ms 26 Mar 2021 593rd emplv 🇱🇻 894 68 10ms 31 Aug 2021 593rd MichaelMBradley 🇨🇦 894 68 10ms 11 Jun 2022 593rd janbehrens 🇩🇪 894 68 10ms 4 Jul 2022 593rd betaveros 894 68 10ms 9 Aug 2022 593rd 5quiwyrm 894 68 10ms 20 Aug 2022 593rd PowerR0 894 68 10ms 25 Aug 2022 593rd ItsMeNoobieboy 894 68 11ms 21 Dec 2022 593rd CheeseCake628 🇳🇴 894 68 17ms 16 Feb 2023 593rd Just4FunCoder 894 68 12ms 22 Mar 2023 593rd fourth-bit 894 68 10ms 11 Jul 2023 593rd RYNO8 894 68 11ms 22 Aug 2023 593rd Yewzir 🇧🇪 894 68 10ms 6 Oct 2023 593rd keelimeguy 🇺🇸 894 68 16ms 19 Oct 2023 593rd 1231234md5 🇨🇳 894 68 10ms 13 Dec 2023 593rd stackofbears 894 68 10ms 27 Dec 2023 593rd CutSandstone 894 68 10ms 5 Jul 2024 593rd Bulmenisaurus 894 68 10ms 17 Jul 2024 593rd codingisgreatbutiamnot 894 68 20ms 12 Aug 2024 593rd Troon 894 68 9ms 11 Feb 2025 593rd plcc0 894 68 10ms 20 Feb 2025 593rd albanian-laundromat 🇺🇸 894 68 11ms 30 Jun 2025 593rd SanderRuud 894 68 11ms 13 Jul 2025 593rd qpwoeirut 894 68 9ms 1 Oct 2025 593rd countlpaul-dotcom 894 68 11ms 19 Oct 2025 593rd SectorCorruptor 894 68 11ms 8 Feb 2026 637th pardouin 🇫🇷 894 114 347ms 24 Aug 2024 637th DialFrost 🇸🇬 894 114 333ms 26 Dec 2024 637th snoozingnewt 🇨🇦 894 114 337ms 29 Nov 2025 640th lifthrasiir 🇰🇷 893 28 3ms 29 Nov 2024 First Prev 561–640 of 3,332 Next Last
