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 75th Kacarott 🇦🇺 950 37 71ms 16 May 2024 77th JayXon 🇺🇸 950 40 957ms 23 Apr 2021 77th sisyphus-ppcg 🇦🇺 950 40 926ms 9 Jul 2021 77th Lydxn 🇨🇦 950 40 942ms 17 Aug 2021 77th stefangimmillaro 950 40 864ms 21 Aug 2023 77th MeWhenI 🇻🇦 950 40 1,105ms 22 Aug 2023 77th Steffan153 🇫🇮 950 40 886ms 9 Aug 2024 77th pardouin 🇫🇷 950 40 814ms 9 Apr 2025 77th sean-niemann 🇺🇸 950 40 970ms 13 Apr 2025 85th Lydxn 🇨🇦 950 52 8ms 12 Apr 2022 86th prplz 🇦🇺 948 31 37ms 3 Jan 2020 86th m-tkach 🇺🇦 948 31 38ms 23 Feb 2023 88th primo-ppcg 🇹🇭 947 43 81ms 18 Jan 2020 88th JayXon 🇺🇸 947 43 80ms 14 Feb 2021 88th Lydxn 🇨🇦 947 43 75ms 18 Aug 2021 88th MeWhenI 🇻🇦 947 43 81ms 11 Mar 2022 88th stefangimmillaro 947 43 79ms 15 Jul 2023 88th Steffan153 🇫🇮 947 43 77ms 9 Aug 2024 88th sean-niemann 🇺🇸 947 43 78ms 23 Dec 2024 95th JayXon 🇺🇸 947 57 306ms 21 Nov 2021 95th Lydxn 🇨🇦 947 57 342ms 21 Nov 2021 95th nwellnhof 🇩🇪 947 57 304ms 21 Nov 2021 95th prplz 🇦🇺 947 57 298ms 21 Nov 2021 95th ScottHamper 947 57 300ms 21 Nov 2021 95th tomtheisen 🇺🇸 947 57 304ms 21 Nov 2021 95th btnlq 947 57 343ms 10 Mar 2023 95th AdrienHache 🇫🇷 947 57 337ms 30 May 2023 95th stefangimmillaro 947 57 344ms 15 Jul 2023 95th MeWhenI 🇻🇦 947 57 330ms 26 Jul 2023 95th namelessiw 947 57 334ms 12 Dec 2023 95th Steffan153 🇫🇮 947 57 339ms 9 Aug 2024 95th sean-niemann 🇺🇸 947 57 360ms 23 Dec 2024 95th Yax42 🇫🇷 947 57 338ms 9 Feb 2025 109th btnlq 946 37 3ms 15 Aug 2024 110th Lydxn 🇨🇦 946 46 361ms 16 Jan 2024 110th kg583 🇺🇸 946 46 376ms 19 Jan 2024 110th JayXon 🇺🇸 946 46 369ms 16 Feb 2024 110th pardouin 🇫🇷 946 46 400ms 14 Jul 2024 110th Steffan153 🇫🇮 946 46 372ms 9 Aug 2024 110th b-illy 🇬🇧 946 46 410ms 1 Feb 2025 110th sean-niemann 🇺🇸 946 46 384ms 20 Feb 2025 110th CornerMercury 🇬🇧 946 46 384ms 12 Oct 2025 118th Lydxn 🇨🇦 945 61 153ms 4 Jul 2022 119th JayXon 🇺🇸 943 90 271ms 9 Jul 2021 119th Lydxn 🇨🇦 943 90 267ms 14 Jun 2022 121st Frowny 942 29 33ms 28 Jun 2020 122nd leon-w 942 50 10ms 5 Jan 2019 122nd sisyphus-ppcg 🇦🇺 942 50 9ms 29 Nov 2021 122nd m-tkach 🇺🇦 942 50 10ms 19 Apr 2022 122nd stefangimmillaro 942 50 10ms 21 Aug 2023 126th thospel 940 33 140ms 25 Jun 2018 127th dcgjb 940 35 223ms 5 Jun 2024 128th Lydxn 🇨🇦 940 41 3ms 12 May 2023 129th Lydxn 🇨🇦 939 54 2ms 14 Jun 2022 130th sean-niemann 🇺🇸 939 70 350ms 24 Sep 2025 130th JayXon 🇺🇸 939 70 349ms 24 Sep 2025 130th namelessiw 939 70 347ms 4 Oct 2025 130th MeWhenI 🇻🇦 939 70 350ms 26 days ago 134th Lydxn 🇨🇦 938 67 120ms 13 Jan 2022 134th JayXon 🇺🇸 938 67 122ms 14 Jan 2022 136th JayXon 🇺🇸 937 44 123ms 18 Aug 2021 136th Lydxn 🇨🇦 937 44 97ms 18 Aug 2021 138th JayXon 🇺🇸 936 45 115ms 18 Aug 2021 138th Lydxn 🇨🇦 936 45 117ms 18 Aug 2021 140th saito-ta 🇯🇵 936 53 31ms 29 Jul 2024 141st JayXon 🇺🇸 935 45 1,201ms 1 Mar 2021 141st Lydxn 🇨🇦 935 45 1,226ms 9 Oct 2021 143rd pardouin 🇫🇷 932 46 2,806ms 31 Oct 2024 143rd btnlq 932 46 2,861ms 31 Oct 2024 143rd JayXon 🇺🇸 932 46 2,851ms 7 Nov 2024 143rd stefangimmillaro 932 46 2,766ms 20 Nov 2024 147th Lydxn 🇨🇦 932 74 53ms 2 Jan 2022 147th JayXon 🇺🇸 932 74 55ms 7 Mar 2022 149th Steffan153 🇫🇮 931 49 4ms 8 Aug 2024 149th sean-niemann 🇺🇸 931 49 4ms 20 Feb 2025 First Prev 76–150 of 3,115 Next Last