The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
Niven Numbers in PowerShell 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 JayXon 🇺🇸 1,000 28 229ms 29 Oct 2023 1st Lydxn 🇨🇦 1,000 28 206ms 29 Oct 2023 1st sisyphus-ppcg 🇦🇺 1,000 28 236ms 29 Oct 2023 1st Shanethegamer 🇺🇸 1,000 28 231ms 29 Oct 2023 1st Steffan153 🇫🇮 1,000 28 231ms 29 Oct 2023 1st prplz 🇦🇺 1,000 28 205ms 29 Oct 2023 1st sean-niemann 🇺🇸 1,000 28 219ms 25 Mar 2025 8th btnlq 966 29 223ms 21 Feb 2021 8th nwellnhof 🇩🇪 966 29 213ms 25 Oct 2021 8th primo-ppcg 🇹🇭 966 29 212ms 10 Mar 2022 8th GrayJoKing 🇦🇺 966 29 222ms 10 Mar 2022 8th SirBogman 🇺🇸 966 29 236ms 23 Jun 2022 8th MeWhenI 🇻🇦 966 29 208ms 28 Jan 2023 8th stefangimmillaro 966 29 220ms 29 Oct 2023 8th Yewzir 🇧🇪 966 29 205ms 19 Nov 2023 8th dcgjb 966 29 243ms 24 Jan 2024 8th DialFrost 🇸🇬 966 29 227ms 6 Jun 2024 8th bitsandbeyond 🇳🇱 966 29 216ms 20 Oct 2025 19th krcs 🇵🇱 933 30 202ms 2 Jan 2022 20th 5quiwyrm 903 31 239ms 5 Sep 2022 20th ovs-code 🇩🇪 903 31 206ms 27 Nov 2022 22nd lynn 875 32 235ms 18 Nov 2021 23rd snoozingnewt 🇨🇦 848 33 240ms 20 days ago 24th HumanEquivalentUnit 800 35 211ms 15 Jun 2020 24th bstrautin 800 35 252ms 9 Aug 2020 26th romero126 757 37 243ms 8 Jun 2020 26th ThePSAdmin 757 37 214ms 10 Jun 2020 26th janbehrens 🇩🇪 757 37 207ms 3 Dec 2023 26th pardouin 🇫🇷 757 37 234ms 22 Aug 2024 30th lahell 718 39 260ms 2 Jul 2020 30th Feniske 🇫🇷 718 39 246ms 1 Aug 2022 30th MaxCastella 🇫🇷 718 39 235ms 8 Aug 2022 30th IISResetMe 718 39 258ms 8 Sep 2025 34th Clebam 🇫🇷 683 41 268ms 28 Aug 2022 34th NicolasBn 🇫🇷 683 41 246ms 28 Aug 2022 34th juliansiebert 🇩🇪 683 41 243ms 2 Mar 2025 37th JPRuskin 🇬🇧 667 42 278ms 24 Apr 2024 38th Irratix 🇳🇱 651 43 236ms 20 Oct 2020 38th Skwerl23 651 43 251ms 6 Feb 2023 40th jborean93 636 44 217ms 3 Jun 2020 40th StevePJp 636 44 216ms 3 Jun 2020 42nd jhoneill 622 45 211ms 5 Jun 2020 42nd Arnaud-beep 🇫🇷 622 45 234ms 31 Aug 2022 44th bielawb 596 47 219ms 4 Jun 2020 45th KevinMarquette 🇺🇸 583 48 206ms 5 Jun 2020 45th janssenu-assurity 583 48 229ms 30 Aug 2022 45th corbob 🇨🇦 583 48 263ms 26 Apr 2024 48th TimCurwick 🇺🇸 571 49 210ms 11 Nov 2020 48th sergeyz7 🇬🇧 571 49 260ms 18 Nov 2020 50th danubie 560 50 262ms 24 Dec 2021 51st krzydoug 549 51 222ms 6 Jun 2020 52nd northvandrew 528 53 232ms 4 Jun 2020 52nd DocJade 528 53 243ms 12 Aug 2022 52nd kenmich 528 53 229ms 12 May 2023 55th SeeminglyScience 519 54 245ms 3 Jun 2020 55th rholliday 519 54 219ms 26 Feb 2021 57th AJLindner 509 55 231ms 5 Jan 2021 58th waltervos 491 57 241ms 8 Feb 2023 59th rjmholt 475 59 224ms 3 Jun 2020 60th stahler 467 60 217ms 3 Jun 2020 61st rvdnieuwendijk 🇳🇱 452 62 226ms 12 Aug 2022 62nd TaserTheFox 🇺🇸 444 63 226ms 31 May 2023 63rd acolytegerm 438 64 234ms 26 Jul 2020 64th qwertyuiop3 🇷🇺 431 65 212ms 4 Jun 2025 65th dokutan 424 66 242ms 28 Jul 2024 66th BREMAUCY 🇫🇷 418 67 255ms 5 Aug 2024 67th Msleizak 🇫🇷 378 74 211ms 16 Nov 2023 68th HCRitter 🇩🇪 368 76 243ms 1 Nov 2023 69th povce 322 87 220ms 7 Apr 2023 70th SteveL-MSFT 311 90 203ms 4 Jun 2020 70th HumanoidCPU 311 90 194ms 9 May 2024 70th CaedenHarper 🇨🇦 311 90 197ms 16 Aug 2025 73rd Codsilla 🇨🇦 304 92 191ms 18 Jul 2020 73rd bac0id 304 92 194ms 25 Jan 2021 73rd Mabeloid 🇳🇴 304 92 185ms 22 Sep 2024 76th thlac 292 96 202ms 3 Jun 2020 77th retrohun 272 103 182ms 28 Dec 2022 78th mokymok 🇺🇸 226 124 198ms 8 Nov 2021 79th KatieLG 🇬🇧 217 129 183ms 10 Oct 2021 79th KatieLG-Transpiler 🇬🇧 217 129 236ms 24 Jun 2022 1–80 of 81 Next Last