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 Multitap Input NFA Simulator Numbrix 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 Multitap Input NFA Simulator Numbrix 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 6ms 20 Dec 2023 151st Steffan153 🇫🇮 930 46 5ms 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 2ms 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 12ms 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 158th snoozingnewt 🇨🇦 929 54 13ms 5 hours ago 173rd sean-niemann 🇺🇸 928 42 648ms 16 Sep 2025 174th lukegustafson 🇺🇸 928 46 127ms 2 Sep 2024 174th JayXon 🇺🇸 928 46 125ms 2 Sep 2024 176th Lydxn 🇨🇦 927 47 3ms 16 Jul 2023 177th MeWhenI 🇻🇦 926 43 4ms 22 Mar 2024 178th Babafaba 926 47 391ms 4 Nov 2025 179th Lydxn 🇨🇦 926 53 66ms 16 May 2022 179th GrayJoKing 🇦🇺 926 53 65ms 16 May 2022 179th Shanethegamer 🇺🇸 926 53 65ms 18 May 2022 179th Steffan153 🇫🇮 926 53 65ms 1 Oct 2022 179th JayXon 🇺🇸 926 53 66ms 20 Mar 2023 179th Yewzir 🇧🇪 926 53 66ms 9 Nov 2023 179th Betuaredead 926 53 68ms 13 Nov 2023 179th pardouin 🇫🇷 926 53 65ms 3 Sep 2024 179th sean-niemann 🇺🇸 926 53 65ms 18 Apr 2025 179th albanian-laundromat 926 53 69ms 8 Nov 2025 179th snoozingnewt 🇨🇦 926 53 65ms 2 days ago 190th Frowny 924 51 9ms 3 Jul 2020 191st sean-niemann 🇺🇸 924 60 2ms 29 Oct 2022 191st Lydxn 🇨🇦 924 60 2ms 30 Oct 2022 191st sisyphus-ppcg 🇦🇺 924 60 2ms 3 Nov 2022 191st primo-ppcg 🇹🇭 924 60 4ms 19 Nov 2022 191st clockworknazo 924 60 4ms 19 Nov 2022 191st Steffan153 🇫🇮 924 60 2ms 28 Jan 2023 191st xsot 🇸🇬 924 60 2ms 25 Jul 2023 191st DialFrost 🇸🇬 924 60 4ms 14 Sep 2023 191st fuzzylojik-golf 🇺🇸 924 60 4ms 15 Sep 2025 200th andersk 🇺🇸 924 68 130ms 22 Oct 2022 201st MeWhenI 🇻🇦 923 53 12ms 11 Nov 2021 201st HPWiz 🇳🇿 923 53 54ms 18 Mar 2022 203rd JayXon 🇺🇸 922 55 1ms 9 Jul 2021 203rd btnlq 922 55 1ms 28 Dec 2022 205th Lydxn 🇨🇦 921 59 100ms 14 Oct 2022 205th JayXon 🇺🇸 921 59 103ms 14 Oct 2022 205th MeWhenI 🇻🇦 921 59 96ms 17 Oct 2022 205th Steffan153 🇫🇮 921 59 98ms 9 Aug 2024 205th sean-niemann 🇺🇸 921 59 98ms 23 Dec 2024 210th Lydxn 🇨🇦 920 56 37ms 14 Jun 2022 210th Steffan153 🇫🇮 920 56 72ms 13 Dec 2022 210th MeWhenI 🇻🇦 920 56 72ms 13 Dec 2022 210th Lydxn 🇨🇦 920 56 73ms 13 Dec 2022 210th ovs-code 🇩🇪 920 56 71ms 21 Apr 2024 210th DialFrost 🇸🇬 920 56 70ms 26 Dec 2024 210th sean-niemann 🇺🇸 920 56 70ms 20 Feb 2025 210th snoozingnewt 🇨🇦 920 56 89ms 6 days ago 218th alo-gin 918 32 33ms 19 Oct 2018 219th Steffan153 🇫🇮 917 42 4ms 14 May 2023 220th JayXon 🇺🇸 917 55 2ms 20 days ago 221st marcin7Cd 915 75 5ms 15 Feb 2021 221st primo-ppcg 🇹🇭 915 75 5ms 1 Mar 2021 221st kg583 🇺🇸 915 75 5ms 21 Oct 2024 221st CLOStrophobic 🇮🇹 915 75 5ms 14 Feb 2025 221st edsrzf 🇳🇿 915 75 5ms 11 Apr 2025 First Prev 151–225 of 3,122 Next Last