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Happy Numbers (Long) 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 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 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 Multitap Input NFA Simulator Numbrix 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 ArkScript 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 ArkScript 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 Calendar 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 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 Multitap Input NFA Simulator Numbrix 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 799th yourlefthandman 786 89 277ms 17 Aug 2023 799th msbranicky 786 89 271ms 5 Oct 2023 799th luyckxrobbe 786 89 19ms 20 Nov 2023 799th madex 🇩🇪 786 89 13ms 13 Jun 2024 799th rollershutter 786 89 290ms 2 Jul 2024 799th Mabeloid 🇳🇴 786 89 12ms 18 Sep 2024 799th jatloe 786 89 321ms 27 Sep 2024 799th JOrE20 🇺🇸 786 89 19ms 4 Dec 2025 809th MeWhenI 🇻🇦 786 105 457ms 17 Aug 2023 810th ListeriaM 784 89 2ms 25 Aug 2023 811th ian-h-chamberlain 🇺🇸 784 127 127ms 4 Dec 2025 812th snoozingnewt 🇨🇦 783 102 104ms 13 Sep 2025 813th KenanSi 781 32 6ms 24 Feb 2022 813th ashtraypettingzoo 🇺🇸 781 32 6ms 5 Apr 2023 815th Shanethegamer 🇺🇸 780 74 161ms 19 Aug 2024 816th Andrey2001 779 86 418ms 2 hours ago 817th aposteriorist 🇨🇦 779 106 460ms 5 Mar 2022 818th 2011-Chan-Ethan 777 90 310ms 12 Jul 2023 818th inverseLorentz 🇦🇺 777 90 305ms 3 May 2024 820th yzhs 🇩🇪 776 39 36ms 21 Jun 2022 821st SirBogman 🇺🇸 776 48 234ms 4 Nov 2021 821st SirFireball3521 776 48 240ms 21 Mar 2023 823rd Re-Adventures 🇮🇳 776 122 59ms 14 Aug 2022 824th prplz 🇦🇺 775 64 1,317ms 20 Sep 2021 825th snoozingnewt 🇨🇦 773 105 130ms 3 Oct 2025 826th DialFrost 🇸🇬 772 129 146ms 5 Apr 2025 827th Shanethegamer 🇺🇸 771 93 13ms 8 Apr 2024 828th ovs-code 🇩🇪 771 127 28ms 26 Dec 2022 828th DialFrost 🇸🇬 771 127 103ms 29 Nov 2025 830th FlyingPenguin223 770 62 57ms 16 Nov 2023 830th Babafaba 770 62 39ms 15 Oct 2025 832nd jared-hughes 770 77 12ms 14 Mar 2022 832nd Re-Adventures 🇮🇳 770 77 10ms 14 Aug 2022 832nd lyphyser 770 77 13ms 3 Jun 2023 832nd helbling 🇨🇭 770 77 12ms 4 Jul 2024 836th KatieLG 🇬🇧 770 111 135ms 14 Jan 2023 837th hjcafaroUC 768 91 20ms 26 Oct 2021 837th adoxography 768 91 19ms 18 Dec 2021 837th j-Ewan 768 91 19ms 16 Feb 2022 837th MaxElf999 768 91 19ms 29 Sep 2022 837th AlexanderFair 768 91 18ms 13 Jul 2023 837th chartung17 768 91 20ms 14 Jan 2024 837th NerdyMcNerd42 768 91 13ms 22 Mar 2024 844th emgordon154 768 146 19ms 10 Jun 2025 845th NewDefectus 🇮🇱 767 64 53ms 21 Sep 2021 846th prplz 🇦🇺 767 91 2ms 19 Dec 2021 847th snoozingnewt 🇨🇦 767 92 3,062ms 27 Sep 2025 848th janbehrens 🇩🇪 766 165 25ms 20 Sep 2021 849th MeWhenI 🇻🇦 766 244 16ms 28 Aug 2023 850th strout 765 89 172ms 15 Aug 2022 851st jared-hughes 764 123 503ms 24 Sep 2025 851st Babafaba 764 123 464ms 14 Oct 2025 853rd kTheLemon 763 100 2ms 2 Apr 2025 854th UnderKoen 🇳🇱 763 147 34ms 20 Apr 2023 855th Yewzir 🇧🇪 762 166 25ms 14 Jan 2024 856th prplz 🇦🇺 761 49 211ms 27 Sep 2021 857th shawphy 761 78 10ms 12 Oct 2021 858th DialFrost 🇸🇬 761 112 41ms 13 Feb 2025 859th Indivicivet 760 92 316ms 26 Oct 2021 859th nullie 760 92 19ms 8 Jun 2022 859th jbjd 760 92 19ms 23 Nov 2024 859th 5quiwyrm 760 92 242ms 25 Nov 2024 859th qpwoeirut 760 92 19ms 23 Nov 2025 864th Irratix 🇳🇱 759 92 2ms 19 Dec 2021 865th Shanethegamer 🇺🇸 759 93 3,042ms 27 Oct 2024 866th gnuvince 758 33 36ms 2 Aug 2024 866th codereport 🇨🇦 758 33 6ms 21 Apr 2025 868th Andriamanitra 🇫🇮 758 63 49ms 20 Jul 2022 869th Irratix 🇳🇱 756 90 141ms 24 Sep 2021 870th Yewzir 🇧🇪 756 99 40ms 18 Dec 2024 871st jared-hughes 755 101 2ms 17 Mar 2022 872nd Yewzir 🇧🇪 755 102 395ms 13 Jan 2024 873rd prplz 🇦🇺 754 66 1,418ms 27 Sep 2021 873rd DialFrost 🇸🇬 754 66 671ms 10 Oct 2024 875th MeWhenI 🇻🇦 754 95 14ms 23 May 2023 876th emgordon154 753 130 98ms 4 Dec 2025 877th Shanethegamer 🇺🇸 753 168 24ms 20 Sep 2021 878th yzhs 🇩🇪 752 66 1,305ms 5 Nov 2021 879th msbranicky 752 89 727ms 17 Jan 2024 879th Stockoh 🇫🇷 752 89 478ms 24 Jun 2024 First Prev 801–880 of 2,064 Next Last