Happy Numbers in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Erlang 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 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 Erlang 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 Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 824th DaCuteRaccoon 831 76 13ms 30 Nov 2022 827th marshallward 🇺🇸 831 81 41ms 2 Sep 2022 828th Lydxn 🇨🇦 831 83 1ms 10 Oct 2023 829th djeedjay 🇳🇱 830 86 2ms 26 Oct 2020 829th Yewzir 🇧🇪 830 86 2ms 22 Dec 2023 831st fuzzylojik-golf 🇺🇸 830 93 433ms 30 Aug 2025 832nd kgodara 830 98 125ms 11 Mar 2023 833rd CLOStrophobic 🇮🇹 830 102 45ms 14 Feb 2025 834th GrayJoKing 🇦🇺 829 53 18ms 10 Apr 2021 834th scpchicken 🇵🇼 829 53 32ms 23 May 2021 834th kurkale6ka 829 53 19ms 16 Jun 2021 834th sean-niemann 🇺🇸 829 53 32ms 7 Sep 2021 834th MeWhenI 🇻🇦 829 53 33ms 15 Sep 2021 834th DaCuteRaccoon 829 53 32ms 30 Nov 2022 834th Steffan153 🇫🇮 829 53 32ms 28 Jan 2023 834th DialFrost 🇸🇬 829 53 33ms 28 Jan 2023 834th snoozingnewt 🇺🇸 829 53 48ms 1 Sep 2024 834th LostSyntax21 🇬🇧 829 53 35ms 8 Jan 2025 834th fuzzylojik-golf 🇺🇸 829 53 19ms 15 Sep 2025 845th primo-ppcg 🇹🇭 829 67 89ms 25 Dec 2020 845th lynn 829 67 126ms 18 May 2021 845th Yewzir 🇧🇪 829 67 98ms 17 Sep 2023 845th sean-niemann 🇺🇸 829 67 95ms 8 Oct 2024 849th jared-hughes 829 82 158ms 11 Sep 2023 850th anter69 🇭🇺 828 57 36ms 3 Aug 2021 850th annaproxy 828 57 55ms 27 Aug 2022 850th BREMAUCY 🇫🇷 828 57 41ms 26 Mar 2024 853rd inventshah 827 80 3ms 9 Sep 2022 854th Shanethegamer 🇺🇸 826 64 3ms 25 Apr 2023 855th dokutan 825 101 353ms 24 Sep 2025 856th m-tkach 🇺🇦 824 64 376ms 30 Jan 2024 857th didion0 🇺🇸 822 73 15ms 22 Apr 2021 857th itsh01 822 73 12ms 16 Aug 2021 857th c0d3-4-F00d 🇩🇪 822 73 12ms 5 Jan 2022 857th DaCuteRaccoon 822 73 11ms 30 Nov 2022 857th janbehrens 🇩🇪 822 73 10ms 17 Jun 2023 857th snoozingnewt 🇺🇸 822 73 10ms 1 Sep 2024 857th Yax42 🇫🇷 822 73 9ms 8 days ago 864th DialFrost 🇸🇬 822 103 40ms 16 Feb 2025 865th ovs-code 🇩🇪 822 153 1,544ms 14 Sep 2025 865th primo-ppcg 🇹🇭 822 153 1,500ms 15 Sep 2025 865th emgordon154 822 153 1,501ms 16 Sep 2025 865th Yewzir 🇧🇪 822 153 1,551ms 6 days ago 869th KatieLG 🇬🇧 821 74 15ms 5 Nov 2020 869th trist224 🇫🇷 821 74 10ms 15 Nov 2022 869th QuincyNash 🇺🇸 821 74 9ms 29 Nov 2022 872nd AaronGarbut 820 87 2ms 30 Jul 2019 873rd phdphil 818 46 140ms 9 Apr 2018 874th dokutan 818 85 105ms 23 Jul 2025 875th orthoplex 🇨🇽 817 36 38ms 20 Jul 2024 876th Frank-Buss 817 93 6ms 29 Aug 2020 877th jared-hughes 817 154 1,555ms 16 Sep 2025 877th MeWhenI 🇻🇦 817 154 1,523ms 12 days ago 879th NewDefectus 🇮🇱 813 54 16ms 15 Dec 2021 880th Waffle3z 813 58 61ms 20 Jan 2021 880th jbbarth 🇫🇷 813 58 33ms 8 Oct 2021 880th AlephSquirrel 813 58 65ms 14 Apr 2023 880th SirBogman 🇺🇸 813 58 36ms 10 Jan 2024 880th fuzzylojik-golf 🇺🇸 813 58 35ms 3 Sep 2025 885th MeWhenI 🇻🇦 813 71 3ms 25 Jul 2023 885th GrayJoKing 🇦🇺 813 71 135ms 3 Aug 2024 887th dokutan 813 100 121ms 23 Jul 2025 888th MeWhenI 🇻🇦 812 65 426ms 17 Jan 2024 888th Babafaba 812 65 320ms 16 days ago 890th rucin93 🇵🇱 811 85 2ms 39 hours ago 891st ListeriaM 811 88 2ms 25 Aug 2023 891st Jonatan6 🇩🇰 811 88 2ms 27 Apr 2024 893rd tomtheisen 🇺🇸 810 74 8ms 9 Oct 2020 893rd weliveinhell 🇭🇹 810 74 9ms 3 Sep 2023 893rd thisishowmymindworks 🇳🇴 810 74 17ms 10 Jun 2024 893rd Lv0Sys 🇵🇱 810 74 11ms 31 May 2025 897th mortimervonchappuis 810 75 9ms 17 Mar 2020 897th SirFireball3521 810 75 9ms 28 Jan 2023 897th AlexanderFair 810 75 9ms 2 Jul 2023 897th msbranicky 810 75 9ms 25 Jul 2023 First Prev 826–900 of 3,101 Next Last