Happy Numbers in all languages in chars. 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 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 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 Calendar 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 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 ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 Calendar 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 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 Chars Time Submitted 151st MeWhenI 🇻🇦 930 46 5ms 13 Dec 2023 151st Lydxn 🇨🇦 930 46 5ms 20 Dec 2023 151st Steffan153 🇫🇮 930 46 6ms 9 Aug 2024 151st sean-niemann 🇺🇸 930 46 5ms 19 Apr 2025 155th Lydxn 🇨🇦 929 52 2ms 10 Sep 2022 155th JayXon 🇺🇸 929 52 2ms 10 Sep 2022 155th btnlq 929 52 3ms 11 Sep 2022 158th lynn 929 54 13ms 15 Nov 2021 158th MeWhenI 🇻🇦 929 54 12ms 15 Nov 2021 158th Lydxn 🇨🇦 929 54 13ms 16 Nov 2021 158th GrayJoKing 🇦🇺 929 54 13ms 18 Nov 2021 158th btnlq 929 54 12ms 18 Nov 2021 158th annaproxy 929 54 13ms 5 Jan 2022 158th JayXon 🇺🇸 929 54 13ms 15 Feb 2022 158th Steffan153 🇫🇮 929 54 12ms 25 Sep 2022 158th IanUtley 929 54 13ms 17 Nov 2022 158th Yewzir 🇧🇪 929 54 13ms 11 Nov 2023 158th Betuaredead 929 54 13ms 12 Nov 2023 158th ovs-code 🇩🇪 929 54 13ms 30 Jun 2024 158th sean-niemann 🇺🇸 929 54 13ms 13 Apr 2025 158th DialFrost 🇸🇬 929 54 13ms 14 Apr 2025 172nd sean-niemann 🇺🇸 928 42 650ms 16 Sep 2025 173rd lukegustafson 🇺🇸 928 46 125ms 2 Sep 2024 173rd JayXon 🇺🇸 928 46 125ms 2 Sep 2024 175th Lydxn 🇨🇦 927 47 3ms 16 Jul 2023 176th Babafaba 926 47 378ms 4 Nov 2025 177th Lydxn 🇨🇦 926 53 66ms 16 May 2022 177th GrayJoKing 🇦🇺 926 53 65ms 16 May 2022 177th Shanethegamer 🇺🇸 926 53 65ms 18 May 2022 177th Steffan153 🇫🇮 926 53 65ms 1 Oct 2022 177th JayXon 🇺🇸 926 53 66ms 20 Mar 2023 177th Yewzir 🇧🇪 926 53 68ms 9 Nov 2023 177th Betuaredead 926 53 68ms 13 Nov 2023 177th pardouin 🇫🇷 926 53 65ms 3 Sep 2024 177th sean-niemann 🇺🇸 926 53 65ms 18 Apr 2025 177th albanian-laundromat 926 53 69ms 25 days ago 187th Frowny 924 51 10ms 3 Jul 2020 188th sean-niemann 🇺🇸 924 60 2ms 29 Oct 2022 188th Lydxn 🇨🇦 924 60 2ms 30 Oct 2022 188th sisyphus-ppcg 🇦🇺 924 60 2ms 3 Nov 2022 188th primo-ppcg 🇹🇭 924 60 4ms 19 Nov 2022 188th clockworknazo 924 60 4ms 19 Nov 2022 188th Steffan153 🇫🇮 924 60 2ms 28 Jan 2023 188th xsot 🇸🇬 924 60 2ms 25 Jul 2023 188th DialFrost 🇸🇬 924 60 6ms 14 Sep 2023 188th fuzzylojik-golf 🇺🇸 924 60 4ms 15 Sep 2025 197th andersk 🇺🇸 924 68 119ms 22 Oct 2022 198th MeWhenI 🇻🇦 923 43 4ms 22 Mar 2024 199th MeWhenI 🇻🇦 923 53 15ms 11 Nov 2021 199th HPWiz 🇳🇿 923 53 57ms 18 Mar 2022 201st JayXon 🇺🇸 922 55 2ms 9 Jul 2021 201st btnlq 922 55 1ms 28 Dec 2022 203rd Lydxn 🇨🇦 921 59 100ms 14 Oct 2022 203rd JayXon 🇺🇸 921 59 103ms 14 Oct 2022 203rd MeWhenI 🇻🇦 921 59 96ms 17 Oct 2022 203rd Steffan153 🇫🇮 921 59 98ms 9 Aug 2024 203rd sean-niemann 🇺🇸 921 59 98ms 23 Dec 2024 208th Lydxn 🇨🇦 920 56 40ms 14 Jun 2022 208th Steffan153 🇫🇮 920 56 65ms 13 Dec 2022 208th MeWhenI 🇻🇦 920 56 66ms 13 Dec 2022 208th Lydxn 🇨🇦 920 56 67ms 13 Dec 2022 208th ovs-code 🇩🇪 920 56 66ms 21 Apr 2024 208th DialFrost 🇸🇬 920 56 69ms 26 Dec 2024 208th sean-niemann 🇺🇸 920 56 70ms 20 Feb 2025 208th snoozingnewt 🇨🇦 920 56 63ms 42 hours ago 216th alo-gin 918 32 44ms 19 Oct 2018 217th Steffan153 🇫🇮 917 42 3ms 14 May 2023 218th JayXon 🇺🇸 917 55 1ms 15 days ago 219th marcin7Cd 915 75 7ms 15 Feb 2021 219th primo-ppcg 🇹🇭 915 75 7ms 1 Mar 2021 219th kg583 🇺🇸 915 75 6ms 21 Oct 2024 219th CLOStrophobic 🇮🇹 915 75 6ms 14 Feb 2025 219th edsrzf 🇳🇿 915 75 5ms 11 Apr 2025 224th btnlq 915 80 1ms 11 Jun 2023 224th saito-ta 🇯🇵 915 80 1ms 11 Jun 2023 First Prev 151–225 of 3,116 Next Last