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 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 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Erlang 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 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 Erlang 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 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 434th urojony 🇵🇱 939 46 10ms 27 May 2021 434th MarcMush 🇫🇷 939 46 10ms 29 Jun 2021 434th Fishron 939 46 13ms 19 Oct 2021 434th Indivicivet 939 46 10ms 24 Oct 2021 434th StefanHabel 🇨🇦 939 46 10ms 14 Dec 2021 434th ZakkkkAttackkkk 🇵🇭 939 46 20 Dec 2021 434th Irratix 🇳🇱 939 46 9ms 17 Apr 2022 434th k3w1k0d3r 939 46 10ms 25 Jun 2022 434th 051 🇸🇬 939 46 10ms 8 Aug 2022 434th TobyBoyne 🇬🇧 939 46 10ms 12 Aug 2022 434th MichalMarsalek 🇨🇿 939 46 13ms 29 Aug 2022 434th JaimeCoderIO 939 46 11ms 29 Sep 2022 434th IshanPanpaliya 939 46 9ms 19 Oct 2022 434th FlorianCassayre 🇫🇷 939 46 10ms 6 Nov 2022 434th thehylian 939 46 12ms 30 Dec 2022 434th Techdude01 939 46 10ms 18 Jan 2023 434th SirFireball3521 939 46 11ms 9 Feb 2023 434th scpchicken 🇵🇼 939 46 12ms 22 Feb 2023 434th kellantech 939 46 10ms 2 Jun 2023 434th lillian314159 939 46 10ms 13 Jul 2023 434th Alex-x90 🇺🇸 939 46 13ms 17 Jul 2023 434th AlexanderFair 939 46 13ms 24 Jul 2023 434th gXLg 🇩🇪 939 46 10ms 23 Sep 2023 434th ridingqwerty 🇺🇸 939 46 22 Dec 2023 434th bzijlema 🇳🇱 939 46 10ms 12 Jan 2024 434th jhu04 939 46 10ms 18 Jan 2024 434th bob-th 939 46 10ms 2 Feb 2024 434th Bmrl7 939 46 10ms 21 Feb 2024 434th elgan65536 939 46 10ms 5 Mar 2024 434th Lewenhaupt 939 46 10ms 22 Mar 2024 434th jmfk 939 46 9ms 22 Mar 2024 434th jtaxen 939 46 9ms 5 Apr 2024 434th dokutan 939 46 10ms 30 Apr 2024 434th 5cw 🇺🇸 939 46 10ms 5 May 2024 434th bizy-coder 939 46 11ms 15 Aug 2024 434th jatloe 939 46 9ms 26 Aug 2024 434th croc54 939 46 10ms 18 Nov 2024 434th lifthrasiir 🇰🇷 939 46 10ms 3 Dec 2024 434th ryyyn 🇺🇸 939 46 14 Jan 2025 434th andrewjc2000 939 46 3 Mar 2025 434th plcc0 939 46 5 Mar 2025 434th keelimeguy 🇺🇸 939 46 9ms 6 May 2025 434th Artemis21 🇬🇧 939 46 23 May 2025 434th dirckvdende 939 46 20 Jul 2025 434th qpwoeirut 939 46 13 Aug 2025 434th InigoK 🇺🇸 939 46 8 Sep 2025 434th blaztoma 🇱🇹 939 46 15 Sep 2025 434th ahmetdemirag 🇨🇾 939 46 20 days ago 434th luuumine 🇫🇷 939 46 4 days ago 434th snoozingnewt 🇺🇸 939 46 2 days ago 501st rak1507 🇬🇧 938 21 3ms 12 Jan 2022 501st Garklein 🇨🇦 938 21 2ms 15 Jan 2022 501st Bubbler-4 938 21 3ms 16 Jan 2022 501st HPWiz 🇳🇿 938 21 2ms 18 Jan 2022 501st GrayJoKing 🇦🇺 938 21 3ms 2 Feb 2022 501st lynn 938 21 3ms 2 Jun 2022 501st shadowninja55 🇺🇸 938 21 2ms 28 Dec 2022 501st DialFrost 🇸🇬 938 21 2ms 2 Feb 2024 501st SirBogman 🇺🇸 938 21 2ms 12 Feb 2024 501st bstrat 938 21 2ms 5 Aug 2024 501st copy 938 21 3ms 16 Aug 2024 501st zacjl 938 21 2ms 17 Aug 2024 501st Steffan153 🇫🇮 938 21 2ms 18 Aug 2024 501st sean-niemann 🇺🇸 938 21 2ms 11 Apr 2025 501st pardouin 🇫🇷 938 21 3ms 15 Apr 2025 501st fuzzylojik-golf 🇺🇸 938 21 6 Sep 2025 517th sisyphus-ppcg 🇦🇺 937 33 4ms 12 Aug 2024 517th ovs-code 🇩🇪 937 33 5ms 20 Aug 2024 517th emgordon154 937 33 4ms 15 Nov 2024 520th primo-ppcg 🇹🇭 937 44 18 Jan 2020 520th prplz 🇦🇺 937 44 15 Aug 2020 520th JayXon 🇺🇸 937 44 16 Feb 2021 520th Lydxn 🇨🇦 937 44 18 Aug 2021 520th stefangimmillaro 937 44 21 Aug 2023 525th ovs-code 🇩🇪 935 39 2ms 8 Oct 2023 First Prev 451–525 of 4,028 Next Last