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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers 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 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 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 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 591st HumanoidCPU 887 147 13 May 2024 591st pardouin 🇫🇷 887 147 20 Aug 2024 591st KatieLG 🇬🇧 887 147 26 Sep 2024 591st emgordon154 887 147 4 Dec 2024 591st CaedenHarper 🇨🇦 887 147 24 Jan 2025 591st rucin93 🇵🇱 887 147 23 Apr 2025 591st albanian-laundromat 887 147 20 Jul 2025 608th MeWhenI 🇻🇦 886 76 16 May 2023 609th ovs-code 🇩🇪 886 87 29 Jul 2024 610th MeWhenI 🇻🇦 885 52 2 Nov 2023 610th Yewzir 🇧🇪 885 52 7 Mar 2024 610th edsrzf 🇳🇿 885 52 17 Jan 2025 613th jared-hughes 884 76 6 Mar 2022 613th Steffan153 🇫🇮 884 76 25 Feb 2023 615th Shanethegamer 🇺🇸 884 83 12 May 2023 615th janbehrens 🇩🇪 884 83 26 Nov 2023 615th Yewzir 🇧🇪 884 83 11 Feb 2024 618th lynn 884 93 12 Jul 2023 619th jared-hughes 884 132 15 Feb 2022 620th kg583 🇺🇸 883 95 26 Jul 2025 621st prplz 🇦🇺 882 68 12 Oct 2021 621st NewDefectus 🇮🇱 882 68 16 Dec 2021 623rd MeWhenI 🇻🇦 882 75 12 Sep 2022 623rd sean-niemann 🇺🇸 882 75 8 Oct 2024 625th marcin7Cd 882 77 11 Mar 2020 626th emplv 🇱🇻 881 93 29 Jun 2022 627th marcin7Cd 881 148 12 Oct 2020 627th Attero 🇸🇪 881 148 12 Oct 2020 627th GolfingSuccess 🇬🇷 881 148 1 May 2021 627th sisyphus-ppcg 🇦🇺 881 148 30 May 2021 627th lynn 881 148 1 Jun 2021 627th SirBogman 🇺🇸 881 148 28 Nov 2021 627th ovs-code 🇩🇪 881 148 22 Apr 2022 627th scpchicken 🇵🇼 881 148 4 Feb 2023 635th benwilliamgraham 880 69 26 Jan 2019 635th OllieBoyne 🇬🇧 880 69 16 Jan 2021 635th eiburns 880 69 20 Jan 2022 635th vishwathg 880 69 16 Aug 2022 635th emirps 880 69 22 Feb 2023 635th Vaekor 880 69 9 Jul 2023 635th AVDestroyer 880 69 4 Sep 2023 635th m42km 880 69 7 Oct 2023 635th elgan65536 880 69 4 Apr 2024 644th Attero 🇸🇪 880 81 4 May 2020 644th c0d3-4-F00d 🇩🇪 880 81 5 Jan 2022 646th m-tkach 🇺🇦 880 98 9 Mar 2023 646th annaproxy 880 98 22 Oct 2023 646th Yewzir 🇧🇪 880 98 30 Dec 2023 649th edsrzf 🇳🇿 879 60 11 Apr 2025 650th Yewzir 🇧🇪 879 79 6 Dec 2023 651st primo-ppcg 🇹🇭 878 50 11 Oct 2020 651st o0lit3 🇺🇸 878 50 19 Apr 2021 651st armin-k1 878 50 8 Sep 2021 651st nwellnhof 🇩🇪 878 50 26 Dec 2021 651st Lydxn 🇨🇦 878 50 25 May 2022 651st saito-ta 🇯🇵 878 50 27 May 2022 657th sean-niemann 🇺🇸 876 88 6 Aug 2024 658th primo-ppcg 🇹🇭 876 116 21 Apr 2020 658th kkoenig 876 116 5 Jan 2024 660th edsrzf 🇳🇿 875 64 3 days ago 661st KatieLG-Transpiler 🇬🇧 875 149 24 Jun 2022 662nd primo-ppcg 🇹🇭 874 53 19 Oct 2020 662nd MeWhenI 🇻🇦 874 53 15 Feb 2023 664th hemphen 874 84 28 Aug 2022 665th edsrzf 🇳🇿 874 96 30 Dec 2024 666th alo-gin 873 54 19 Oct 2018 666th hrrs01 873 54 14 Apr 2020 666th jared-hughes 873 54 9 Sep 2022 666th ovs-code 🇩🇪 873 54 9 May 2023 670th primo-ppcg 🇹🇭 872 77 13 Jul 2021 671st edsrzf 🇳🇿 871 95 5 Mar 2025 672nd nwellnhof 🇩🇪 871 99 3 Jan 2022 672nd Alex-x90 🇺🇸 871 99 20 Sep 2022 672nd Steffan153 🇫🇮 871 99 28 Jan 2023 672nd ovs-code 🇩🇪 871 99 3 Jun 2024 Prev 601–675 of 3,010 Next