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 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 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 djeedjay 🇳🇱 830 86 2ms 26 Oct 2020 828th Yewzir 🇧🇪 830 86 2ms 22 Dec 2023 830th fuzzylojik-golf 🇺🇸 830 93 433ms 30 Aug 2025 831st kgodara 830 98 125ms 11 Mar 2023 832nd CLOStrophobic 🇮🇹 830 102 45ms 14 Feb 2025 833rd GrayJoKing 🇦🇺 829 53 18ms 10 Apr 2021 833rd scpchicken 🇵🇼 829 53 32ms 23 May 2021 833rd kurkale6ka 829 53 19ms 16 Jun 2021 833rd sean-niemann 🇺🇸 829 53 32ms 7 Sep 2021 833rd MeWhenI 🇻🇦 829 53 33ms 15 Sep 2021 833rd DaCuteRaccoon 829 53 32ms 30 Nov 2022 833rd Steffan153 🇫🇮 829 53 32ms 28 Jan 2023 833rd DialFrost 🇸🇬 829 53 33ms 28 Jan 2023 833rd snoozingnewt 🇺🇸 829 53 48ms 1 Sep 2024 833rd LostSyntax21 🇬🇧 829 53 35ms 8 Jan 2025 833rd fuzzylojik-golf 🇺🇸 829 53 19ms 15 Sep 2025 844th primo-ppcg 🇹🇭 829 67 89ms 25 Dec 2020 844th lynn 829 67 126ms 18 May 2021 844th Yewzir 🇧🇪 829 67 98ms 17 Sep 2023 844th sean-niemann 🇺🇸 829 67 95ms 8 Oct 2024 848th jared-hughes 829 82 158ms 11 Sep 2023 849th anter69 🇭🇺 828 57 36ms 3 Aug 2021 849th annaproxy 828 57 55ms 27 Aug 2022 849th BREMAUCY 🇫🇷 828 57 41ms 26 Mar 2024 852nd inventshah 827 80 3ms 9 Sep 2022 853rd Shanethegamer 🇺🇸 826 64 3ms 25 Apr 2023 854th dokutan 825 101 353ms 24 Sep 2025 855th m-tkach 🇺🇦 824 64 376ms 30 Jan 2024 856th didion0 🇺🇸 822 73 15ms 22 Apr 2021 856th itsh01 822 73 12ms 16 Aug 2021 856th c0d3-4-F00d 🇩🇪 822 73 12ms 5 Jan 2022 856th DaCuteRaccoon 822 73 11ms 30 Nov 2022 856th janbehrens 🇩🇪 822 73 10ms 17 Jun 2023 856th snoozingnewt 🇺🇸 822 73 10ms 1 Sep 2024 856th Yax42 🇫🇷 822 73 9ms 3 days ago 863rd DialFrost 🇸🇬 822 103 40ms 16 Feb 2025 864th ovs-code 🇩🇪 822 153 1,544ms 14 Sep 2025 864th primo-ppcg 🇹🇭 822 153 1,500ms 15 Sep 2025 864th emgordon154 822 153 1,501ms 16 Sep 2025 864th Yewzir 🇧🇪 822 153 1,551ms 2 days ago 868th KatieLG 🇬🇧 821 74 15ms 5 Nov 2020 868th trist224 🇫🇷 821 74 10ms 15 Nov 2022 868th QuincyNash 🇺🇸 821 74 9ms 29 Nov 2022 871st AaronGarbut 820 87 2ms 30 Jul 2019 872nd phdphil 818 46 140ms 9 Apr 2018 873rd dokutan 818 85 105ms 23 Jul 2025 874th orthoplex 🇨🇽 817 36 38ms 20 Jul 2024 875th Frank-Buss 817 93 6ms 29 Aug 2020 876th jared-hughes 817 154 1,555ms 16 Sep 2025 876th MeWhenI 🇻🇦 817 154 1,523ms 8 days ago 878th NewDefectus 🇮🇱 813 54 16ms 15 Dec 2021 879th Waffle3z 813 58 61ms 20 Jan 2021 879th jbbarth 🇫🇷 813 58 33ms 8 Oct 2021 879th AlephSquirrel 813 58 65ms 14 Apr 2023 879th SirBogman 🇺🇸 813 58 36ms 10 Jan 2024 879th fuzzylojik-golf 🇺🇸 813 58 35ms 3 Sep 2025 884th MeWhenI 🇻🇦 813 71 3ms 25 Jul 2023 884th GrayJoKing 🇦🇺 813 71 135ms 3 Aug 2024 886th dokutan 813 100 121ms 23 Jul 2025 887th MeWhenI 🇻🇦 812 65 426ms 17 Jan 2024 887th Babafaba 812 65 320ms 12 days ago 889th ListeriaM 811 88 2ms 25 Aug 2023 889th Jonatan6 🇩🇰 811 88 2ms 27 Apr 2024 891st tomtheisen 🇺🇸 810 74 8ms 9 Oct 2020 891st weliveinhell 🇭🇹 810 74 9ms 3 Sep 2023 891st thisishowmymindworks 🇳🇴 810 74 17ms 10 Jun 2024 891st Lv0Sys 🇵🇱 810 74 11ms 31 May 2025 895th mortimervonchappuis 810 75 9ms 17 Mar 2020 895th SirFireball3521 810 75 9ms 28 Jan 2023 895th AlexanderFair 810 75 9ms 2 Jul 2023 895th msbranicky 810 75 9ms 25 Jul 2023 899th Natanaelel 🇸🇪 809 32 43ms 22 Jul 2022 899th SirBogman 🇺🇸 809 32 44ms 10 Sep 2022 First Prev 826–900 of 3,100 Next Last