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 150th primo-ppcg 🇹🇭 944 72 159ms 9 Oct 2020 150th HPWiz 🇳🇿 944 72 178ms 15 Apr 2021 150th lynn 944 72 181ms 15 Apr 2021 150th JayXon 🇺🇸 944 72 170ms 28 Jun 2021 150th xnor-gate 944 72 156ms 22 Dec 2021 150th ovs-code 🇩🇪 944 72 164ms 4 Jul 2022 150th btnlq 944 72 194ms 15 Oct 2023 150th tobeannouncd 944 72 177ms 11 Jan 2024 159th janlelis 943 50 61ms 20 Sep 2021 160th sisyphus-ppcg 🇦🇺 943 67 4ms 2 Jul 2023 160th Lydxn 🇨🇦 943 67 4ms 2 Jul 2023 160th primo-ppcg 🇹🇭 943 67 3ms 3 Jul 2023 160th Steffan153 🇫🇮 943 67 3ms 8 Aug 2024 160th sean-niemann 🇺🇸 943 67 3ms 9 Jan 2025 160th targrik 943 67 4ms 17 Jul 2025 166th saito-ta 🇯🇵 942 53 31ms 29 Jul 2024 167th kg583 🇺🇸 942 56 397ms 2 Mar 2024 167th JayXon 🇺🇸 942 56 360ms 2 Mar 2024 167th Steffan153 🇫🇮 942 56 371ms 3 Mar 2024 167th Lydxn 🇨🇦 942 56 430ms 3 Mar 2024 167th pardouin 🇫🇷 942 56 411ms 25 Jun 2024 167th emgordon154 942 56 379ms 22 Sep 2024 167th sean-niemann 🇺🇸 942 56 463ms 20 Feb 2025 174th nwellnhof 🇩🇪 942 108 265ms 17 Oct 2020 174th JayXon 🇺🇸 942 108 261ms 9 Jul 2021 174th Lydxn 🇨🇦 942 108 261ms 9 Jul 2021 174th MeWhenI 🇻🇦 942 108 253ms 4 Nov 2021 174th sisyphus-ppcg 🇦🇺 942 108 273ms 16 Mar 2022 174th stefangimmillaro 942 108 256ms 12 Jun 2023 180th nwellnhof 🇩🇪 941 40 317ms 4 Oct 2020 181st GrayJoKing 🇦🇺 941 53 1,018ms 13 Sep 2021 181st Lydxn 🇨🇦 941 53 977ms 13 Sep 2021 181st JayXon 🇺🇸 941 53 1,032ms 20 Sep 2021 181st primo-ppcg 🇹🇭 941 53 1,005ms 22 Sep 2021 181st sisyphus-ppcg 🇦🇺 941 53 819ms 3 Feb 2022 181st Steffan153 🇫🇮 941 53 953ms 27 Mar 2023 181st stefangimmillaro 941 53 899ms 14 Apr 2023 181st pardouin 🇫🇷 941 53 860ms 13 Apr 2025 181st sean-niemann 🇺🇸 941 53 968ms 13 Apr 2025 190th JayXon 🇺🇸 941 78 325ms 21 Nov 2021 190th Lydxn 🇨🇦 941 78 334ms 21 Nov 2021 190th btnlq 941 78 326ms 10 Mar 2023 190th stefangimmillaro 941 78 368ms 15 Jul 2023 190th namelessiw 941 78 320ms 8 Aug 2024 195th Bubbler-4 940 49 69ms 13 Sep 2023 195th GrayJoKing 🇦🇺 940 49 89ms 13 Sep 2023 195th Lydxn 🇨🇦 940 49 70ms 13 Sep 2023 195th ovs-code 🇩🇪 940 49 79ms 13 Sep 2023 195th Steffan153 🇫🇮 940 49 69ms 15 Sep 2023 195th primo-ppcg 🇹🇭 940 49 73ms 16 Sep 2023 195th Kacarott 🇦🇺 940 49 68ms 24 Nov 2023 195th error256 940 49 70ms 13 May 2024 195th pardouin 🇫🇷 940 49 76ms 24 Aug 2024 195th sean-niemann 🇺🇸 940 49 70ms 7 Apr 2025 195th DialFrost 🇸🇬 940 49 77ms 8 Apr 2025 206th JayXon 🇺🇸 939 76 8ms 26 Nov 2021 207th sean-niemann 🇺🇸 936 89 329ms 24 Sep 2025 207th JayXon 🇺🇸 936 89 335ms 24 Sep 2025 207th nwellnhof 🇩🇪 936 89 338ms 25 Sep 2025 207th stefangimmillaro 936 89 337ms 6 Oct 2025 207th MeWhenI 🇻🇦 936 89 335ms 8 days ago 207th DialFrost 🇸🇬 936 89 334ms 2 days ago 213th primo-ppcg 🇹🇭 934 53 199ms 20 Oct 2020 213th prplz 🇦🇺 934 53 224ms 20 Oct 2020 213th btnlq 934 53 201ms 13 Dec 2020 213th JayXon 🇺🇸 934 53 209ms 28 Jun 2021 213th nwellnhof 🇩🇪 934 53 204ms 27 Dec 2021 213th sisyphus-ppcg 🇦🇺 934 53 219ms 15 Aug 2022 213th stefangimmillaro 934 53 202ms 22 Aug 2022 213th MeWhenI 🇻🇦 934 53 201ms 29 Jan 2023 213th Steffan153 🇫🇮 934 53 192ms 29 Jan 2023 213th SirBogman 🇺🇸 934 53 207ms 8 Jan 2024 213th DialFrost 🇸🇬 934 53 206ms 26 Dec 2024 213th sean-niemann 🇺🇸 934 53 224ms 6 Apr 2025 225th SnowballSH 934 65 9ms 31 Jan 2021 First Prev 151–225 of 3,100 Next Last