The Continued Fractions hole will go live in approximately 2 days. Why not try and solve it ahead of time?
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 399th Steffan153 🇫🇮 920 64 70ms 28 Jan 2023 399th Steffan153 🇫🇮 920 64 6ms 11 Dec 2023 399th Yewzir 🇧🇪 920 64 7ms 14 Dec 2023 399th Lydxn 🇨🇦 920 64 5ms 20 Dec 2023 399th ovs-code 🇩🇪 920 64 73ms 21 Apr 2024 399th dokutan 920 64 6ms 19 May 2024 399th emgordon154 920 64 6ms 5 Dec 2024 399th edsrzf 🇳🇿 920 64 6ms 21 Jan 2025 399th DialFrost 🇸🇬 920 64 73ms 20 Feb 2025 399th sean-niemann 🇺🇸 920 64 75ms 20 Feb 2025 399th sean-niemann 🇺🇸 920 64 5ms 19 Apr 2025 399th kg583 🇺🇸 920 64 7ms 30 Jul 2025 399th snoozingnewt 🇨🇦 920 64 73ms 29 Nov 2025 399th snoozingnewt 🇨🇦 920 64 5ms 30 Nov 2025 399th DialFrost 🇸🇬 920 64 6ms 1 Jan 2026 416th inventshah 920 66 2,112ms 24 Oct 2024 416th btnlq 920 66 2,210ms 26 Oct 2024 416th stefangimmillaro 920 66 2,062ms 29 Oct 2024 416th pardouin 🇫🇷 920 66 2,257ms 31 Oct 2024 416th JayXon 🇺🇸 920 66 2,207ms 7 Nov 2024 416th emgordon154 920 66 2,251ms 20 Nov 2024 416th Steffan153 🇫🇮 920 66 2,099ms 13 days ago 423rd Lydxn 🇨🇦 919 72 2ms 10 Sep 2022 423rd GrayJoKing 🇦🇺 919 72 2ms 10 Sep 2022 423rd JayXon 🇺🇸 919 72 2ms 10 Sep 2022 423rd btnlq 919 72 2ms 11 Sep 2022 423rd Steffan153 🇫🇮 919 72 2ms 19 Aug 2024 428th bforte 919 74 131ms 9 Dec 2018 428th annaproxy 919 74 130ms 12 Jan 2022 428th rak1507 🇬🇧 919 74 140ms 23 Feb 2022 428th Natanaelel 🇸🇪 919 74 143ms 31 May 2025 432nd primo-ppcg 🇹🇭 918 41 136ms 6 Oct 2020 432nd Natanaelel 🇸🇪 918 41 124ms 7 Oct 2021 432nd sisyphus-ppcg 🇦🇺 918 41 122ms 31 Jan 2023 435th primo-ppcg 🇹🇭 918 80 373ms 21 Nov 2021 435th prplz 🇦🇺 918 80 401ms 21 Nov 2021 435th annaproxy 918 80 402ms 5 May 2022 435th tomtheisen 🇺🇸 918 80 423ms 17 Jan 2023 435th Steffan153 🇫🇮 918 80 407ms 28 Jan 2023 435th AdrienHache 🇫🇷 918 80 424ms 30 May 2023 435th MeWhenI 🇻🇦 918 80 424ms 26 Jul 2023 435th DialFrost 🇸🇬 918 80 431ms 26 Dec 2024 435th sean-niemann 🇺🇸 918 80 389ms 9 Jan 2025 435th Yax42 🇫🇷 918 80 382ms 15 Aug 2025 445th lynn 917 54 239ms 25 May 2022 446th Lydxn 🇨🇦 917 63 3ms 16 Jul 2023 446th Steffan153 🇫🇮 917 63 147ms 22 Aug 2024 446th sean-niemann 🇺🇸 917 63 144ms 22 Aug 2024 446th JayXon 🇺🇸 917 63 136ms 23 Aug 2024 446th lukegustafson 🇺🇸 917 63 140ms 12 Sep 2024 446th emplv 🇱🇻 917 63 130ms 17 Jul 2025 452nd lifthrasiir 🇰🇷 917 77 7ms 11 Dec 2024 452nd jared-hughes 917 77 7ms 15 Dec 2024 454th bendiscz 917 111 285ms 20 Apr 2020 454th emplv 🇱🇻 917 111 286ms 31 Aug 2021 454th jared-hughes 917 111 286ms 27 Feb 2024 454th keelimeguy 🇺🇸 917 111 296ms 28 Apr 2025 458th btnlq 916 61 2ms 5 Nov 2022 459th GrayJoKing 🇦🇺 916 69 5ms 29 Apr 2021 459th xsot 🇸🇬 916 69 4ms 16 Jun 2024 461st Lydxn 🇨🇦 916 70 37ms 21 Jun 2022 462nd AlephSquirrel 916 83 6ms 21 Jan 2023 462nd edsrzf 🇳🇿 916 83 5ms 11 Apr 2025 462nd kg583 🇺🇸 916 83 5ms 3 May 2025 465th Lydxn 🇨🇦 915 76 116ms 14 Oct 2022 465th sean-niemann 🇺🇸 915 76 110ms 14 Oct 2022 465th JayXon 🇺🇸 915 76 109ms 14 Oct 2022 465th MeWhenI 🇻🇦 915 76 111ms 14 Oct 2022 465th Steffan153 🇫🇮 915 76 113ms 14 Oct 2022 465th stefangimmillaro 915 76 114ms 14 Oct 2022 465th Shanethegamer 🇺🇸 915 76 120ms 13 Mar 2023 465th DialFrost 🇸🇬 915 76 120ms 26 Dec 2024 465th snoozingnewt 🇨🇦 915 76 100ms 29 Nov 2025 474th nwellnhof 🇩🇪 915 78 2ms 7 Jan 2021 474th Alex-x90 🇺🇸 915 78 1ms 27 Jan 2023 474th inventshah 915 78 1ms 27 Jan 2023 474th Steffan153 🇫🇮 915 78 1ms 28 Jan 2023 474th sean-niemann 🇺🇸 915 78 2ms 7 Mar 2025 479th sisyphus-ppcg 🇦🇺 915 91 1ms 18 May 2022 479th ovs-code 🇩🇪 915 91 1ms 20 May 2022 First Prev 401–480 of 3,191 Next Last