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 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 374th JayXon 🇺🇸 917 63 23 Aug 2024 374th lukegustafson 🇺🇸 917 63 12 Sep 2024 374th emplv 🇱🇻 917 63 8 days ago 379th Lydxn 🇨🇦 917 72 10 Sep 2022 379th GrayJoKing 🇦🇺 917 72 10 Sep 2022 379th JayXon 🇺🇸 917 72 10 Sep 2022 379th btnlq 917 72 11 Sep 2022 379th Steffan153 🇫🇮 917 72 19 Aug 2024 384th primo-ppcg 🇹🇭 917 80 21 Nov 2021 384th prplz 🇦🇺 917 80 21 Nov 2021 384th annaproxy 917 80 5 May 2022 384th tomtheisen 🇺🇸 917 80 17 Jan 2023 384th Steffan153 🇫🇮 917 80 28 Jan 2023 384th AdrienHache 🇫🇷 917 80 30 May 2023 384th MeWhenI 🇻🇦 917 80 26 Jul 2023 384th DialFrost 🇸🇬 917 80 26 Dec 2024 384th sean-niemann 🇺🇸 917 80 9 Jan 2025 393rd lynn 916 54 25 May 2022 394th Steffan153 🇫🇮 916 64 11 Dec 2023 394th Yewzir 🇧🇪 916 64 14 Dec 2023 394th Lydxn 🇨🇦 916 64 20 Dec 2023 394th dokutan 916 64 19 May 2024 394th emgordon154 916 64 5 Dec 2024 394th edsrzf 🇳🇿 916 64 21 Jan 2025 394th sean-niemann 🇺🇸 916 64 19 Apr 2025 401st inventshah 916 66 24 Oct 2024 401st btnlq 916 66 26 Oct 2024 401st stefangimmillaro 916 66 29 Oct 2024 401st pardouin 🇫🇷 916 66 31 Oct 2024 401st JayXon 🇺🇸 916 66 7 Nov 2024 401st emgordon154 916 66 20 Nov 2024 407th AlephSquirrel 916 83 21 Jan 2023 407th edsrzf 🇳🇿 916 83 11 Apr 2025 407th kg583 🇺🇸 916 83 3 May 2025 410th GrayJoKing 🇦🇺 915 69 29 Apr 2021 410th xsot 🇸🇬 915 69 16 Jun 2024 412th lifthrasiir 🇰🇷 915 77 11 Dec 2024 412th jared-hughes 915 77 15 Dec 2024 414th bendiscz 915 111 20 Apr 2020 414th emplv 🇱🇻 915 111 31 Aug 2021 414th jared-hughes 915 111 27 Feb 2024 414th edsrzf 🇳🇿 915 111 26 Oct 2024 414th keelimeguy 🇺🇸 915 111 28 Apr 2025 419th btnlq 914 61 5 Nov 2022 420th Lydxn 🇨🇦 914 63 16 Jul 2023 421st Lydxn 🇨🇦 914 70 21 Jun 2022 422nd Lydxn 🇨🇦 914 76 14 Oct 2022 422nd sean-niemann 🇺🇸 914 76 14 Oct 2022 422nd JayXon 🇺🇸 914 76 14 Oct 2022 422nd MeWhenI 🇻🇦 914 76 14 Oct 2022 422nd Steffan153 🇫🇮 914 76 14 Oct 2022 422nd stefangimmillaro 914 76 14 Oct 2022 422nd Shanethegamer 🇺🇸 914 76 13 Mar 2023 422nd DialFrost 🇸🇬 914 76 26 Dec 2024 430th nwellnhof 🇩🇪 914 78 7 Jan 2021 430th Alex-x90 🇺🇸 914 78 27 Jan 2023 430th inventshah 914 78 27 Jan 2023 430th Steffan153 🇫🇮 914 78 28 Jan 2023 430th sean-niemann 🇺🇸 914 78 7 Mar 2025 435th sisyphus-ppcg 🇦🇺 912 91 18 May 2022 435th ovs-code 🇩🇪 912 91 20 May 2022 435th inventshah 912 91 4 Jun 2022 435th nwellnhof 🇩🇪 912 91 8 Jul 2022 435th saito-ta 🇯🇵 912 91 3 Oct 2022 435th retrohun 912 91 30 Apr 2023 435th btnlq 912 91 17 May 2023 435th kritixilithos 912 91 22 May 2024 443rd xkacer 🇨🇿 911 128 20 Nov 2020 444th MeWhenI 🇻🇦 909 62 11 Nov 2021 445th pihart 909 66 22 Jun 2020 445th Argeento 🇵🇱 909 66 13 Nov 2020 445th ovs-code 🇩🇪 909 66 29 Jul 2024 448th Lydxn 🇨🇦 909 74 14 Jul 2021 448th JayXon 🇺🇸 909 74 20 Aug 2021 448th stefangimmillaro 909 74 22 Apr 2023 Prev 376–450 of 2,918 Next