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 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 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 CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 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 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 CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 599th sean-niemann 🇺🇸 933 41 4ms 21 Apr 2025 602nd Lydxn 🇨🇦 931 42 1ms 30 Oct 2022 602nd btnlq 931 42 2ms 5 Nov 2022 602nd clockworknazo 931 42 2ms 18 Nov 2022 602nd primo-ppcg 🇹🇭 931 42 2ms 19 Nov 2022 602nd sisyphus-ppcg 🇦🇺 931 42 2ms 22 Feb 2023 602nd xsot 🇸🇬 931 42 2ms 16 May 2023 602nd fuzzylojik-golf 🇺🇸 931 42 2ms 12 Aug 2025 602nd sean-niemann 🇺🇸 931 42 2ms 27 Aug 2025 610th Lydxn 🇨🇦 931 43 115ms 18 Aug 2021 610th JayXon 🇺🇸 931 43 119ms 18 Aug 2021 612th albanian-laundromat 931 66 519ms 24 Sep 2025 612th GolfingSuccess 🇬🇷 931 66 347ms 24 Sep 2025 612th Shanethegamer 🇺🇸 931 66 407ms 25 Sep 2025 612th nwellnhof 🇩🇪 931 66 363ms 25 Sep 2025 612th snoozingnewt 🇺🇸 931 66 317ms 3 Oct 2025 612th Yax42 🇫🇷 931 66 439ms 3 Oct 2025 612th kmathis22 931 66 400ms 10 days ago 612th MeWhenI 🇻🇦 931 66 346ms 3 mins ago 620th thospel 929 29 4ms 3 May 2018 620th nwellnhof 🇩🇪 929 29 3ms 15 Feb 2020 620th saito-ta 🇯🇵 929 29 3ms 16 Aug 2024 620th xsot 🇸🇬 929 29 7ms 24 Jun 2025 624th villfa 929 43 4ms 11 May 2018 624th alexeytihomirov 929 43 4ms 5 Apr 2019 624th prplz 🇦🇺 929 43 4ms 22 Feb 2020 624th janbehrens 🇩🇪 929 43 4ms 11 Aug 2020 624th Attero 🇸🇪 929 43 4ms 8 Sep 2020 624th JayXon 🇺🇸 929 43 4ms 18 Feb 2021 624th GrayJoKing 🇦🇺 929 43 4ms 27 Feb 2021 624th emplv 🇱🇻 929 43 4ms 6 May 2021 624th Shanethegamer 🇺🇸 929 43 4ms 16 Feb 2022 624th sean-niemann 🇺🇸 929 43 4ms 19 Mar 2022 624th pschmid0 🇺🇸 929 43 4ms 7 Aug 2022 624th stefangimmillaro 929 43 4ms 18 Sep 2022 624th Steffan153 🇫🇮 929 43 4ms 26 Nov 2022 624th DialFrost 🇸🇬 929 43 4ms 14 Jan 2023 624th MeWhenI 🇻🇦 929 43 4ms 28 May 2023 624th rucin93 🇵🇱 929 43 4ms 4 Jul 2023 624th ovs-code 🇩🇪 929 43 4ms 4 Oct 2023 624th Yewzir 🇧🇪 929 43 4ms 15 Nov 2023 624th edsrzf 🇳🇿 929 43 4ms 15 Sep 2024 624th targrik 929 43 4ms 13 Mar 2025 624th fuzzylojik-golf 🇺🇸 929 43 4ms 29 May 2025 645th caasinehc 929 44 10ms 16 Oct 2018 645th xweronika 929 44 10ms 23 Oct 2018 645th skps2010 929 44 9ms 3 Jan 2019 645th alasdair-greenland 929 44 9ms 6 Mar 2020 645th taklam 929 44 9ms 20 May 2020 645th daisy-lau 929 44 9ms 29 May 2020 645th Pixels4Breakfast 929 44 9ms 7 Mar 2022 645th niklv 🇷🇺 929 44 9ms 29 Jul 2022 645th 5quiwyrm 929 44 10ms 9 Sep 2022 654th Frowny 928 27 36ms 30 Jun 2020 655th HPWiz 🇳🇿 928 39 17ms 9 Mar 2022 656th error256 928 41 72ms 14 May 2024 656th Kacarott 🇦🇺 928 41 79ms 16 May 2024 658th JayXon 🇺🇸 928 87 274ms 5 Jun 2021 658th nwellnhof 🇩🇪 928 87 261ms 6 Jul 2021 658th Lydxn 🇨🇦 928 87 264ms 23 Sep 2021 658th Steffan153 🇫🇮 928 87 259ms 17 Dec 2022 658th DialFrost 🇸🇬 928 87 257ms 18 Jan 2023 658th MeWhenI 🇻🇦 928 87 251ms 9 Feb 2023 658th stefangimmillaro 928 87 252ms 13 Jun 2023 658th sean-niemann 🇺🇸 928 87 255ms 17 Jun 2023 658th Yewzir 🇧🇪 928 87 248ms 25 Oct 2023 658th sisyphus-ppcg 🇦🇺 928 87 259ms 29 Oct 2023 658th Betuaredead 928 87 257ms 11 Nov 2023 658th kkoenig 928 87 263ms 7 Jan 2024 658th pardouin 🇫🇷 928 87 265ms 29 Sep 2024 658th fuzzylojik-golf 🇺🇸 928 87 268ms 15 Jul 2025 658th GolfingSuccess 🇬🇷 928 87 262ms 10 Aug 2025 658th CaedenHarper 🇨🇦 928 87 264ms 2 days ago 674th JayXon 🇺🇸 927 46 1,296ms 1 Mar 2021 674th Lydxn 🇨🇦 927 46 1,252ms 9 Oct 2021 First Prev 601–675 of 4,046 Next Last