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 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 QR Encoder Quadratic Formula Scrambled Alphabetization 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 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 QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 502nd pardouin 🇫🇷 932 44 21 Sep 2024 527th Lydxn 🇨🇦 931 37 12 Dec 2022 527th ovs-code 🇩🇪 931 37 29 Jan 2023 527th DialFrost 🇸🇬 931 37 27 May 2024 527th sean-niemann 🇺🇸 931 37 12 Jul 2024 527th Steffan153 🇫🇮 931 37 13 Jul 2024 527th pardouin 🇫🇷 931 37 22 Aug 2024 533rd Steffan153 🇫🇮 931 38 4 Aug 2024 533rd sean-niemann 🇺🇸 931 38 4 Aug 2024 533rd JayXon 🇺🇸 931 38 4 Aug 2024 533rd DialFrost 🇸🇬 931 38 4 Aug 2024 533rd Lydxn 🇨🇦 931 38 5 Aug 2024 533rd lukegustafson 🇺🇸 931 38 7 Aug 2024 539th Lydxn 🇨🇦 931 41 12 May 2023 539th Steffan153 🇫🇮 931 41 14 May 2023 539th sean-niemann 🇺🇸 931 41 21 Apr 2025 542nd ovs-code 🇩🇪 930 39 8 Oct 2023 542nd sean-niemann 🇺🇸 930 39 8 Oct 2023 542nd Lydxn 🇨🇦 930 39 8 Oct 2023 542nd GrayJoKing 🇦🇺 930 39 8 Oct 2023 542nd Yewzir 🇧🇪 930 39 9 Oct 2023 542nd Steffan153 🇫🇮 930 39 10 Oct 2023 542nd inventshah 930 39 10 Oct 2023 542nd JayXon 🇺🇸 930 39 10 Oct 2023 542nd DialFrost 🇸🇬 930 39 6 Nov 2023 542nd Betuaredead 930 39 11 Nov 2023 542nd Shanethegamer 🇺🇸 930 39 14 Nov 2023 542nd prplz 🇦🇺 930 39 18 Jan 2024 542nd rucin93 🇵🇱 930 39 27 Feb 2024 542nd MeWhenI 🇻🇦 930 39 18 Aug 2024 542nd pardouin 🇫🇷 930 39 21 Aug 2024 542nd FlyingPenguin223 930 39 29 Oct 2024 558th thospel 929 29 3 May 2018 558th nwellnhof 🇩🇪 929 29 15 Feb 2020 558th saito-ta 🇯🇵 929 29 16 Aug 2024 561st error256 928 41 14 May 2024 561st Kacarott 🇦🇺 928 41 16 May 2024 563rd Lydxn 🇨🇦 928 42 30 Oct 2022 563rd btnlq 928 42 5 Nov 2022 563rd clockworknazo 928 42 18 Nov 2022 563rd primo-ppcg 🇹🇭 928 42 19 Nov 2022 563rd sisyphus-ppcg 🇦🇺 928 42 22 Feb 2023 563rd xsot 🇸🇬 928 42 16 May 2023 569th villfa 928 43 11 May 2018 569th alexeytihomirov 928 43 5 Apr 2019 569th prplz 🇦🇺 928 43 22 Feb 2020 569th janbehrens 🇩🇪 928 43 11 Aug 2020 569th Attero 🇸🇪 928 43 8 Sep 2020 569th JayXon 🇺🇸 928 43 18 Feb 2021 569th GrayJoKing 🇦🇺 928 43 27 Feb 2021 569th emplv 🇱🇻 928 43 6 May 2021 569th Shanethegamer 🇺🇸 928 43 16 Feb 2022 569th sean-niemann 🇺🇸 928 43 19 Mar 2022 569th pschmid0 🇺🇸 928 43 7 Aug 2022 569th stefangimmillaro 928 43 18 Sep 2022 569th Steffan153 🇫🇮 928 43 26 Nov 2022 569th DialFrost 🇸🇬 928 43 14 Jan 2023 569th MeWhenI 🇻🇦 928 43 28 May 2023 569th rucin93 🇵🇱 928 43 4 Jul 2023 569th ovs-code 🇩🇪 928 43 4 Oct 2023 569th Yewzir 🇧🇪 928 43 15 Nov 2023 569th edsrzf 🇳🇿 928 43 15 Sep 2024 569th targrik 928 43 13 Mar 2025 589th caasinehc 928 44 16 Oct 2018 589th xweronika 928 44 23 Oct 2018 589th skps2010 928 44 3 Jan 2019 589th alasdair-greenland 928 44 6 Mar 2020 589th taklam 928 44 20 May 2020 589th daisy-lau 928 44 29 May 2020 589th Pixels4Breakfast 928 44 7 Mar 2022 589th niklv 🇷🇺 928 44 29 Jul 2022 589th 5quiwyrm 928 44 9 Sep 2022 598th Frowny 927 27 30 Jun 2020 599th Lydxn 🇨🇦 927 43 18 Aug 2021 599th JayXon 🇺🇸 927 43 18 Aug 2021 Prev 526–600 of 3,657 Next