Niven Numbers in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 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 Maze Medal Tally 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Maze Medal Tally 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 219th Steffan153 🇫🇮 959 49 17 Nov 2022 219th inventshah 959 49 26 Jan 2023 219th sean-niemann 🇺🇸 959 49 11 Apr 2023 219th Alex-x90 🇺🇸 959 49 17 Jul 2023 219th rhdqor213 959 49 10 Aug 2023 219th JohandeRuiter 🇳🇱 959 49 22 Oct 2023 219th KasperKivimaeki 🇫🇮 959 49 27 Jan 2024 219th xsot 🇸🇬 959 49 22 May 2024 219th kaurakeksi 🇫🇮 959 49 30 Dec 2024 219th Mukundan314 959 49 28 Apr 2025 219th pardouin 🇫🇷 959 49 12 days ago 237th primo-ppcg 🇹🇭 953 34 19 Dec 2018 237th JayXon 🇺🇸 953 34 25 Feb 2021 237th Lydxn 🇨🇦 953 34 18 Aug 2021 237th Steffan153 🇫🇮 953 34 25 Apr 2023 237th sean-niemann 🇺🇸 953 34 19 Apr 2025 242nd primo-ppcg 🇹🇭 950 42 11 May 2018 242nd sisyphus-ppcg 🇦🇺 950 42 17 Jun 2021 242nd Lydxn 🇨🇦 950 42 7 Apr 2022 242nd xsot 🇸🇬 950 42 20 days ago 246th alexkunin 950 43 3 Jul 2019 246th Mazn3k 950 43 9 Sep 2021 246th SpareManiKatti 950 43 11 Sep 2021 246th jared-hughes 950 43 13 Aug 2022 246th AlephSquirrel 950 43 12 Jan 2023 246th ejini6969 950 43 25 Mar 2023 246th KasperKivimaeki 🇫🇮 950 43 26 Feb 2025 253rd prplz 🇦🇺 949 33 23 Mar 2021 253rd JayXon 🇺🇸 949 33 24 Mar 2021 253rd primo-ppcg 🇹🇭 949 33 24 Mar 2021 253rd sisyphus-ppcg 🇦🇺 949 33 3 Apr 2021 253rd Shanethegamer 🇺🇸 949 33 28 May 2021 253rd Lydxn 🇨🇦 949 33 11 Jun 2021 253rd GrayJoKing 🇦🇺 949 33 8 Sep 2021 253rd lynn 949 33 1 Jun 2022 253rd SirBogman 🇺🇸 949 33 10 Aug 2022 253rd Steffan153 🇫🇮 949 33 16 Dec 2022 253rd stefangimmillaro 949 33 17 Dec 2022 253rd sean-niemann 🇺🇸 949 33 4 Jan 2023 253rd DialFrost 🇸🇬 949 33 18 Jan 2023 253rd inventshah 949 33 27 Sep 2023 253rd Yewzir 🇧🇪 949 33 6 Feb 2024 253rd error256 949 33 29 Jul 2024 253rd emgordon154 949 33 12 Nov 2024 253rd pardouin 🇫🇷 949 33 13 Apr 2025 271st primo-ppcg 🇹🇭 947 39 1 Mar 2021 271st GrayJoKing 🇦🇺 947 39 8 Sep 2021 273rd marcin7Cd 946 52 15 Mar 2020 273rd primo-ppcg 🇹🇭 946 52 25 Apr 2020 273rd henkma 946 52 14 Jun 2020 273rd prplz 🇦🇺 946 52 18 Oct 2020 273rd HPWiz 🇳🇿 946 52 12 Nov 2020 273rd JayXon 🇺🇸 946 52 18 Feb 2021 273rd lynn 946 52 22 Mar 2021 273rd Lydxn 🇨🇦 946 52 22 Mar 2021 273rd kops-cg 946 52 7 Apr 2021 273rd xnor-gate 946 52 9 Jun 2021 273rd ssiquoya 🇷🇺 946 52 11 Jun 2021 273rd GrayJoKing 🇦🇺 946 52 7 Oct 2021 273rd annaproxy 946 52 24 Dec 2021 273rd ovs-code 🇩🇪 946 52 16 Feb 2022 273rd Steffan153 🇫🇮 946 52 20 Nov 2022 273rd Shanethegamer 🇺🇸 946 52 8 Mar 2023 273rd sean-niemann 🇺🇸 946 52 4 Jul 2023 273rd Sakisan 🇧🇪 946 52 16 Jul 2023 273rd btnlq 946 52 14 Oct 2023 273rd Yewzir 🇧🇪 946 52 20 Nov 2023 273rd DialFrost 🇸🇬 946 52 4 Aug 2024 273rd pardouin 🇫🇷 946 52 21 Aug 2024 295th JayXon 🇺🇸 946 58 21 Nov 2021 295th Lydxn 🇨🇦 946 58 21 Nov 2021 295th nwellnhof 🇩🇪 946 58 21 Nov 2021 295th btnlq 946 58 10 Mar 2023 295th AdrienHache 🇫🇷 946 58 31 May 2023 295th stefangimmillaro 946 58 21 Aug 2023 Prev 226–300 of 3,713 Next