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 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 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 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 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 ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 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 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 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 801st m-tkach 🇺🇦 860 77 2ms 5 Dec 2023 802nd gilufin 858 55 167ms 30 May 2021 802nd Natanaelel 🇸🇪 858 55 36ms 10 May 2023 802nd denkyuu1 858 55 37ms 10 days ago 805th emgordon154 858 90 484ms 17 days ago 806th GrayJoKing 🇦🇺 857 70 10ms 20 Sep 2021 806th 0x24a537r9 857 70 11ms 10 Sep 2022 808th stefangimmillaro 856 66 125ms 15 Jul 2023 809th JDiLenarda 🇫🇷 856 71 1,274ms 9 Oct 2020 809th MeWhenI 🇻🇦 856 71 2,136ms 24 Oct 2024 809th sean-niemann 🇺🇸 856 71 2,143ms 30 Oct 2024 809th jkelly467 856 71 2,316ms 3 Nov 2025 813th MeWhenI 🇻🇦 856 101 49ms 8 May 2022 813th janbehrens 🇩🇪 856 101 54ms 26 Nov 2023 815th ovs-code 🇩🇪 855 44 143ms 31 Dec 2023 816th MeWhenI 🇻🇦 855 75 35ms 20 Jun 2022 816th sean-niemann 🇺🇸 855 75 39ms 19 Nov 2024 818th clockworknazo 855 82 5ms 13 Oct 2022 818th ovs-code 🇩🇪 855 82 5ms 7 Feb 2023 818th Lydxn 🇨🇦 855 82 4ms 28 Feb 2023 821st ScottHamper 854 86 390ms 21 Nov 2021 821st amazingalek 🇳🇴 854 86 394ms 27 Dec 2025 823rd ovs-code 🇩🇪 852 62 405ms 2 Mar 2024 823rd BREMAUCY 🇫🇷 852 62 374ms 6 Dec 2025 825th Yewzir 🇧🇪 851 98 354ms 2 Oct 2025 826th DialFrost 🇸🇬 850 79 1ms 26 Dec 2024 827th RussellEmerine 850 80 138ms 30 Nov 2019 827th iczelia 🇩🇪 850 80 159ms 20 Oct 2025 829th NewDefectus 🇮🇱 850 84 2ms 16 Dec 2021 830th btnlq 849 68 3ms 16 Jul 2023 830th ovs-code 🇩🇪 849 68 133ms 3 Aug 2024 832nd DialFrost 🇸🇬 849 78 2ms 26 Dec 2024 833rd dokutan 848 102 53ms 14 Apr 2024 834th Steffan153 🇫🇮 847 76 6ms 3 days ago 835th prplz 🇦🇺 847 96 121ms 30 Apr 2022 835th elgan65536 🇺🇸 847 96 132ms 11 Nov 2023 837th kg583 🇺🇸 846 95 40ms 26 Jul 2025 838th lynn 845 59 1,255ms 25 May 2022 838th DialFrost 🇸🇬 845 59 1,322ms 26 Dec 2024 838th janlelis 845 59 1,323ms 14 Aug 2025 841st jared-hughes 845 71 9ms 29 Oct 2021 841st stefangimmillaro 845 71 9ms 27 Aug 2022 841st Maznek 845 71 9ms 19 Jun 2023 841st snoozingnewt 🇨🇦 845 71 9ms 29 Nov 2025 845th Frowny 844 72 9ms 3 Jul 2020 845th lifthrasiir 🇰🇷 844 72 10ms 13 Nov 2024 847th snoozingnewt 🇨🇦 843 66 884ms 29 Nov 2025 847th dokutan 843 66 771ms 4 days ago 849th primo-ppcg 🇹🇭 843 67 126ms 27 Mar 2021 849th Steffan153 🇫🇮 843 67 125ms 28 Jan 2023 849th snoozingnewt 🇨🇦 843 67 125ms 29 Nov 2025 852nd villfa 842 75 15ms 30 Nov 2018 852nd LostSyntax21 🇬🇧 842 75 13ms 8 Jan 2025 854th Jacob385 842 99 516ms 27 Oct 2025 855th jslip 841 35 33ms 5 Sep 2018 855th rak1507 🇬🇧 841 35 34ms 20 Sep 2021 857th ovs-code 🇩🇪 841 82 5ms 19 Nov 2025 858th Steffan153 🇫🇮 841 99 1ms 28 Jan 2023 858th pardouin 🇫🇷 841 99 1ms 21 Sep 2024 858th sean-niemann 🇺🇸 841 99 1ms 9 May 2025 861st Laar 840 81 137ms 1 Apr 2019 861st alomiF 840 81 136ms 5 Oct 2023 861st brimstonetrader 840 81 115ms 26 Jan 2024 864th annaproxy 840 85 1ms 18 May 2023 865th AdrienHache 🇫🇷 840 103 57ms 7 Jan 2024 865th emgordon154 840 103 59ms 18 days ago 867th HumanEquivalentUnit 839 59 356ms 10 Oct 2020 868th snoozingnewt 🇨🇦 839 80 1ms 29 Nov 2025 869th MeWhenI 🇻🇦 839 92 458ms 10 Oct 2022 870th Yewzir 🇧🇪 838 79 2ms 22 Dec 2023 870th albanian-laundromat 838 79 2ms 24 Jun 2025 872nd edsrzf 🇳🇿 838 97 123ms 4 Mar 2025 873rd SirFireball3521 836 45 140ms 22 Mar 2023 874th GrayJoKing 🇦🇺 836 80 100ms 15 Jul 2023 875th snoozingnewt 🇨🇦 835 84 3ms 9 Dec 2025 876th Shanethegamer 🇺🇸 833 30 3ms 13 Jan 2022 877th PatrickStephansen 🇿🇦 833 72 14ms 3 Nov 2020 877th KatieLG 🇬🇧 833 72 10ms 16 Apr 2021 877th neihousaigaai 833 72 10ms 18 Apr 2021 877th two-bad 🇬🇧 833 72 11ms 25 Feb 2024 First Prev 801–880 of 3,190 Next Last