Happy Numbers (Long) in C# 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 1st Lydxn 🇨🇦 1,000 82 357ms 25 Apr 2022 1st JayXon 🇺🇸 1,000 82 366ms 25 Apr 2022 1st tomtheisen 🇺🇸 1,000 82 367ms 9 Feb 2023 1st nwellnhof 🇩🇪 1,000 82 356ms 2 Mar 2023 1st btnlq 1,000 82 364ms 2 Mar 2023 1st Steffan153 🇫🇮 1,000 82 365ms 5 Mar 2023 1st sean-niemann 🇺🇸 1,000 82 399ms 16 May 2024 8th MeWhenI 🇻🇦 932 88 356ms 16 Aug 2023 8th stefangimmillaro 932 88 360ms 18 Sep 2023 8th namelessiw 932 88 435ms 9 Jun 2024 11th DialFrost 🇸🇬 921 89 378ms 27 days ago 12th AdrienHache 🇫🇷 872 94 378ms 2 Jun 2023 12th billings7 🇬🇧 872 94 373ms 21 May 2024 14th Shanethegamer 🇺🇸 845 97 363ms 20 Jun 2022 15th Yax42 🇫🇷 837 98 379ms 2 days ago 16th Yewzir 🇧🇪 804 102 350ms 13 Jan 2024 17th Matgc04 796 103 353ms 22 Aug 2023 17th dokutan 796 103 376ms 20 days ago 19th primo-ppcg 🇹🇭 788 104 339ms 21 Nov 2021 19th Irratix 🇳🇱 788 104 350ms 13 Dec 2021 19th ericlangedijk 🇸🇮 788 104 376ms 17 Mar 2022 19th CaedenHarper 🇨🇦 788 104 337ms 5 Nov 2025 23rd arctouch-cristiannevianna 781 105 386ms 26 May 2023 23rd annaproxy 781 105 396ms 11 Apr 2025 25th janbehrens 🇩🇪 752 109 332ms 21 Nov 2021 26th Re-Adventures 🇮🇳 739 111 373ms 15 Apr 2025 27th snoozingnewt 🇨🇦 707 116 418ms 4 Oct 2025 28th Adix-null 🇱🇹 641 128 384ms 30 Jul 2023 29th KatieLG 🇬🇧 631 130 418ms 21 Oct 2022 30th c0d3-4-F00d 🇩🇪 626 131 326ms 21 Nov 2021 31st hamhub7 612 134 347ms 3 Aug 2022 32nd msbranicky 582 141 330ms 28 Aug 2023 33rd tomh1012 566 145 429ms 2 days ago 34th rifatx 526 156 333ms 16 Jul 2024 35th ChrisTheisen 513 160 374ms 19 Dec 2022 36th bac0id 482 170 353ms 30 Jun 2024 37th weliveinhell 🇭🇹 474 173 337ms 23 Sep 2023 38th aliakseikalosha 443 185 362ms 21 Nov 2021 39th HumanoidCPU 337 243 428ms 23 Jun 2024 40th kevinnaviapaiva 246 334 354ms 22 Feb 2025 41st retrohun 115 711 315ms 27 Dec 2022 41st Mabeloid 🇳🇴 115 711 356ms 18 Sep 2024 43rd KatieLG-Transpiler 🇬🇧 115 715 355ms 23 Jun 2022 1–43 of 43