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 ><> 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 Lily 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 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 stefangimmillaro 856 66 120ms 15 Jul 2023 802nd JDiLenarda 🇫🇷 856 71 1,367ms 9 Oct 2020 802nd MeWhenI 🇻🇦 856 71 2,136ms 24 Oct 2024 802nd sean-niemann 🇺🇸 856 71 2,143ms 30 Oct 2024 802nd jkelly467 856 71 2,316ms 3 Nov 2025 806th MeWhenI 🇻🇦 856 101 55ms 8 May 2022 806th janbehrens 🇩🇪 856 101 52ms 26 Nov 2023 808th ovs-code 🇩🇪 855 44 143ms 31 Dec 2023 809th MeWhenI 🇻🇦 855 75 35ms 20 Jun 2022 809th sean-niemann 🇺🇸 855 75 39ms 19 Nov 2024 811th clockworknazo 855 82 5ms 13 Oct 2022 811th ovs-code 🇩🇪 855 82 5ms 7 Feb 2023 811th Lydxn 🇨🇦 855 82 4ms 28 Feb 2023 814th ScottHamper 854 86 390ms 21 Nov 2021 814th amazingalek 🇳🇴 854 86 394ms 27 Dec 2025 816th ovs-code 🇩🇪 852 62 415ms 2 Mar 2024 816th BREMAUCY 🇫🇷 852 62 374ms 6 Dec 2025 818th Yewzir 🇧🇪 851 98 354ms 2 Oct 2025 819th DialFrost 🇸🇬 850 79 1ms 26 Dec 2024 820th RussellEmerine 850 80 138ms 30 Nov 2019 820th iczelia 🇩🇪 850 80 159ms 20 Oct 2025 822nd NewDefectus 🇮🇱 850 84 2ms 16 Dec 2021 823rd btnlq 849 68 3ms 16 Jul 2023 823rd ovs-code 🇩🇪 849 68 133ms 3 Aug 2024 825th DialFrost 🇸🇬 849 78 2ms 26 Dec 2024 826th dokutan 848 102 49ms 14 Apr 2024 827th prplz 🇦🇺 847 96 121ms 30 Apr 2022 827th elgan65536 🇺🇸 847 96 132ms 11 Nov 2023 829th kg583 🇺🇸 846 95 40ms 26 Jul 2025 830th lynn 845 59 1,255ms 25 May 2022 830th DialFrost 🇸🇬 845 59 1,322ms 26 Dec 2024 830th janlelis 845 59 1,323ms 14 Aug 2025 833rd jared-hughes 845 71 12ms 29 Oct 2021 833rd stefangimmillaro 845 71 11ms 27 Aug 2022 833rd Maznek 845 71 11ms 19 Jun 2023 833rd snoozingnewt 🇨🇦 845 71 10ms 29 Nov 2025 837th Frowny 844 72 9ms 3 Jul 2020 837th lifthrasiir 🇰🇷 844 72 10ms 13 Nov 2024 839th snoozingnewt 🇨🇦 843 66 884ms 29 Nov 2025 840th primo-ppcg 🇹🇭 843 67 117ms 27 Mar 2021 840th Steffan153 🇫🇮 843 67 119ms 28 Jan 2023 840th edsrzf 🇳🇿 843 67 123ms 23 Jun 2025 840th snoozingnewt 🇨🇦 843 67 126ms 29 Nov 2025 844th villfa 842 75 15ms 30 Nov 2018 844th LostSyntax21 🇬🇧 842 75 13ms 8 Jan 2025 846th Jacob385 842 99 516ms 27 Oct 2025 847th jslip 841 35 33ms 5 Sep 2018 847th rak1507 🇬🇧 841 35 34ms 20 Sep 2021 849th ovs-code 🇩🇪 841 82 5ms 19 Nov 2025 850th Steffan153 🇫🇮 841 99 1ms 28 Jan 2023 850th pardouin 🇫🇷 841 99 1ms 21 Sep 2024 850th sean-niemann 🇺🇸 841 99 1ms 9 May 2025 853rd Laar 840 81 137ms 1 Apr 2019 853rd alomiF 840 81 136ms 5 Oct 2023 853rd brimstonetrader 840 81 115ms 26 Jan 2024 856th annaproxy 840 85 1ms 18 May 2023 857th AdrienHache 🇫🇷 840 103 56ms 7 Jan 2024 857th emgordon154 840 103 57ms 11 days ago 859th HumanEquivalentUnit 839 59 356ms 10 Oct 2020 860th snoozingnewt 🇨🇦 839 80 2ms 29 Nov 2025 861st MeWhenI 🇻🇦 839 92 458ms 10 Oct 2022 862nd Yewzir 🇧🇪 838 79 2ms 22 Dec 2023 862nd albanian-laundromat 838 79 2ms 24 Jun 2025 864th edsrzf 🇳🇿 838 97 123ms 4 Mar 2025 865th SirFireball3521 836 45 140ms 22 Mar 2023 866th GrayJoKing 🇦🇺 836 80 100ms 15 Jul 2023 867th snoozingnewt 🇨🇦 835 84 3ms 9 Dec 2025 868th Shanethegamer 🇺🇸 833 30 3ms 13 Jan 2022 869th PatrickStephansen 🇿🇦 833 72 12ms 3 Nov 2020 869th KatieLG 🇬🇧 833 72 10ms 16 Apr 2021 869th neihousaigaai 833 72 11ms 18 Apr 2021 869th two-bad 🇬🇧 833 72 17ms 25 Feb 2024 873rd mogron 832 73 11ms 13 Dec 2019 873rd FlorianCassayre 🇫🇷 832 73 9ms 30 Oct 2022 873rd StefanHabel 🇨🇦 832 73 9ms 11 Dec 2022 873rd DrakeSeteraO 832 73 10ms 25 Oct 2025 877th duckyluuk 🇳🇱 831 73 4ms 16 Dec 2024 878th acacopardo 831 76 14ms 14 Nov 2017 878th MeWhenI 🇻🇦 831 76 14ms 15 Sep 2021 878th DaCuteRaccoon 831 76 14ms 30 Nov 2022 First Prev 801–880 of 3,179 Next Last