The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
Happy Numbers in Lua 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 54 1ms 14 Jun 2022 2nd JayXon 🇺🇸 982 55 1ms 9 Jul 2021 2nd btnlq 982 55 1ms 28 Dec 2022 4th primo-ppcg 🇹🇭 915 59 1ms 15 Feb 2020 4th DaDerpDuck 915 59 1ms 26 Jan 2021 4th Waffle3z 915 59 1ms 26 Jan 2021 4th sisyphus-ppcg 🇦🇺 915 59 2ms 8 Jun 2021 4th Steffan153 🇫🇮 915 59 1ms 25 Apr 2023 9th GrayJoKing 🇦🇺 750 72 1ms 9 Apr 2022 10th jared-hughes 711 76 1ms 6 Mar 2022 11th MeWhenI 🇻🇦 692 78 1ms 27 Dec 2022 12th DialFrost 🇸🇬 684 79 2ms 26 Dec 2024 13th snoozingnewt 🇨🇦 675 80 2ms 26 days ago 14th GalladeGuy 🇺🇸 593 91 1ms 21 May 2020 15th cafehaine 🇫🇷 568 95 1ms 8 Oct 2018 16th NickTheEASDude 🇺🇸 557 97 5ms 9 May 2024 17th dokutan 551 98 1ms 15 Jan 2024 18th kTheLemon 540 100 2ms 2 Apr 2025 19th RockOfStone 535 101 2ms 7 Nov 2021 20th Shanethegamer 🇺🇸 529 102 2ms 12 Dec 2022 21st DaCoolOne 519 104 2ms 25 Feb 2020 22nd frosster 509 106 1ms 11 May 2023 23rd wackbyte 505 107 1ms 19 Dec 2023 24th icy-lava 495 109 3ms 11 Aug 2023 25th steffan-polygolf 482 112 2ms 19 Feb 2024 26th JRaspass 🇬🇧 470 115 2ms 25 Dec 2020 26th stellartux 470 115 1ms 25 Dec 2023 26th HumanoidCPU 470 115 2ms 4 Mar 2025 26th CaedenHarper 🇨🇦 470 115 2ms 16 Aug 2025 30th StarmaQ 462 117 1ms 23 Jan 2021 31st Caylyn 458 118 2ms 28 Feb 2018 32nd mtirado1 415 130 3ms 8 May 2023 33rd SirDerpyHerp 406 133 2ms 8 Sep 2021 34th msbranicky 388 139 1ms 26 Sep 2023 35th retrohun 375 144 1ms 21 Dec 2018 36th KatieLG 🇬🇧 370 146 1ms 2 Dec 2020 36th jiaminglimjm 🇲🇾 370 146 1ms 9 Jan 2021 36th mokymok 🇺🇸 370 146 1ms 8 Nov 2021 36th KatieLG-Transpiler 🇬🇧 370 146 2ms 23 Jun 2022 36th zt14427 370 146 1ms 2 May 2023 41st Visckmart 360 150 2ms 25 Jul 2018 42nd adriweb 🇫🇷 331 163 34ms 29 Aug 2023 43rd fbe 133 406 1ms 22 Dec 2021 1–43 of 43
