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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 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 Tower of Hanoi 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 751st emgordon154 860 58 800ms 22 Dec 2021 752nd m-tkach 🇺🇦 860 77 3ms 5 Dec 2023 753rd DaCuteRaccoon 859 65 3ms 30 Nov 2022 753rd snoozingnewt 🇺🇸 859 65 4ms 1 Sep 2024 753rd LostSyntax21 🇬🇧 859 65 2ms 8 Jan 2025 756th gilufin 858 55 212ms 30 May 2021 756th Natanaelel 🇸🇪 858 55 38ms 10 May 2023 758th GrayJoKing 🇦🇺 857 70 10ms 20 Sep 2021 758th 0x24a537r9 857 70 12ms 10 Sep 2022 760th stefangimmillaro 856 66 117ms 15 Jul 2023 761st JDiLenarda 🇫🇷 856 71 1,171ms 9 Oct 2020 762nd ovs-code 🇩🇪 855 44 143ms 31 Dec 2023 763rd clockworknazo 855 82 4ms 13 Oct 2022 763rd ovs-code 🇩🇪 855 82 5ms 7 Feb 2023 763rd Lydxn 🇨🇦 855 82 5ms 28 Feb 2023 766th MeWhenI 🇻🇦 855 101 53ms 8 May 2022 766th janbehrens 🇩🇪 855 101 51ms 26 Nov 2023 768th MeWhenI 🇻🇦 854 71 2,743ms 24 Oct 2024 768th sean-niemann 🇺🇸 854 71 2,794ms 30 Oct 2024 768th jkelly467 854 71 1,958ms 24 days ago 771st ScottHamper 854 86 301ms 21 Nov 2021 772nd MeWhenI 🇻🇦 853 75 40ms 20 Jun 2022 772nd sean-niemann 🇺🇸 853 75 42ms 19 Nov 2024 774th ovs-code 🇩🇪 851 62 412ms 2 Mar 2024 774th CaedenHarper 🇨🇦 851 62 408ms 1 Feb 2025 776th DialFrost 🇸🇬 851 79 2ms 26 Dec 2024 777th RussellEmerine 850 80 155ms 30 Nov 2019 777th iczelia 🇩🇪 850 80 173ms 20 Oct 2025 779th Yewzir 🇧🇪 850 98 342ms 2 Oct 2025 780th btnlq 849 68 3ms 16 Jul 2023 780th ovs-code 🇩🇪 849 68 136ms 3 Aug 2024 782nd DialFrost 🇸🇬 849 78 2ms 26 Dec 2024 783rd NewDefectus 🇮🇱 849 84 2ms 16 Dec 2021 784th prplz 🇦🇺 847 96 120ms 30 Apr 2022 784th elgan65536 847 96 122ms 11 Nov 2023 786th dokutan 847 102 50ms 14 Apr 2024 787th lynn 845 59 888ms 25 May 2022 787th DialFrost 🇸🇬 845 59 907ms 26 Dec 2024 787th janlelis 845 59 884ms 14 Aug 2025 790th jared-hughes 845 71 9ms 29 Oct 2021 790th stefangimmillaro 845 71 9ms 27 Aug 2022 790th Maznek 845 71 9ms 19 Jun 2023 790th KrausRaus 🇺🇸 845 71 10ms 14 Oct 2025 794th Frowny 844 72 10ms 3 Jul 2020 794th lifthrasiir 🇰🇷 844 72 9ms 13 Nov 2024 796th primo-ppcg 🇹🇭 843 67 116ms 27 Mar 2021 796th Steffan153 🇫🇮 843 67 115ms 28 Jan 2023 796th edsrzf 🇳🇿 843 67 113ms 23 Jun 2025 799th villfa 842 75 13ms 30 Nov 2018 799th LostSyntax21 🇬🇧 842 75 13ms 8 Jan 2025 801st Jacob385 842 99 329ms 27 Oct 2025 802nd jslip 841 35 36ms 5 Sep 2018 802nd rak1507 🇬🇧 841 35 37ms 20 Sep 2021 804th ovs-code 🇩🇪 841 82 5ms 9 days ago 805th Steffan153 🇫🇮 841 99 2ms 28 Jan 2023 805th pardouin 🇫🇷 841 99 1ms 21 Sep 2024 805th sean-niemann 🇺🇸 841 99 1ms 9 May 2025 808th HumanEquivalentUnit 839 59 307ms 10 Oct 2020 809th Laar 839 81 177ms 1 Apr 2019 809th alomiF 839 81 171ms 5 Oct 2023 809th brimstonetrader 839 81 134ms 26 Jan 2024 812th annaproxy 839 85 2ms 18 May 2023 813th MeWhenI 🇻🇦 839 92 450ms 10 Oct 2022 814th AdrienHache 🇫🇷 839 103 49ms 7 Jan 2024 815th Yewzir 🇧🇪 838 79 3ms 22 Dec 2023 815th albanian-laundromat 838 79 2ms 24 Jun 2025 817th edsrzf 🇳🇿 838 97 123ms 4 Mar 2025 818th SirFireball3521 836 45 145ms 22 Mar 2023 819th GrayJoKing 🇦🇺 836 80 98ms 15 Jul 2023 820th Shanethegamer 🇺🇸 833 30 3ms 13 Jan 2022 821st PatrickStephansen 🇿🇦 833 72 12ms 3 Nov 2020 821st KatieLG 🇬🇧 833 72 11ms 16 Apr 2021 821st neihousaigaai 833 72 10ms 18 Apr 2021 821st two-bad 🇬🇧 833 72 10ms 25 Feb 2024 825th mogron 832 73 9ms 13 Dec 2019 First Prev 751–825 of 3,115 Next Last