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 Crossword 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 Crossword 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 526th primo-ppcg 🇹🇭 937 44 80ms 18 Jan 2020 526th prplz 🇦🇺 937 44 80ms 15 Aug 2020 526th JayXon 🇺🇸 937 44 81ms 16 Feb 2021 526th Lydxn 🇨🇦 937 44 81ms 18 Aug 2021 526th stefangimmillaro 937 44 82ms 21 Aug 2023 531st primo-ppcg 🇹🇭 935 44 116ms 25 Apr 2020 531st prplz 🇦🇺 935 44 117ms 16 May 2020 531st Lydxn 🇨🇦 935 44 116ms 12 Jan 2021 531st JayXon 🇺🇸 935 44 114ms 16 Feb 2021 531st sisyphus-ppcg 🇦🇺 935 44 116ms 30 May 2021 531st ovs-code 🇩🇪 935 44 116ms 19 Nov 2021 531st GrayJoKing 🇦🇺 935 44 114ms 15 Dec 2021 531st MichalMarsalek 🇨🇿 935 44 118ms 16 Feb 2022 531st lynn 935 44 115ms 3 Jun 2022 531st MeWhenI 🇻🇦 935 44 113ms 10 Oct 2022 531st clockworknazo 935 44 120ms 26 Nov 2022 531st Steffan153 🇫🇮 935 44 121ms 30 Nov 2022 531st sean-niemann 🇺🇸 935 44 117ms 17 Jan 2023 531st DialFrost 🇸🇬 935 44 115ms 18 Jan 2023 531st steffan-polygolf 935 44 120ms 19 Feb 2023 531st Shanethegamer 🇺🇸 935 44 116ms 8 Mar 2023 531st stefangimmillaro 935 44 117ms 11 Jun 2023 531st Yewzir 🇧🇪 935 44 121ms 23 Sep 2023 531st Betuaredead 935 44 116ms 13 Nov 2023 531st pardouin 🇫🇷 935 44 122ms 21 Sep 2024 531st fuzzylojik-golf 🇺🇸 935 44 124ms 7 Aug 2025 552nd thospel 934 25 85ms 3 May 2018 552nd o0lit3 🇺🇸 934 25 99ms 11 Feb 2021 552nd Indivicivet 934 25 91ms 24 Mar 2021 552nd scpchicken 🇵🇼 934 25 87ms 8 Mar 2022 552nd sisyphus-ppcg 🇦🇺 934 25 85ms 16 Dec 2022 552nd 4hg 🇺🇸 934 25 99ms 9 Feb 2023 552nd Natanaelel 🇸🇪 934 25 89ms 19 Feb 2023 552nd Yewzir 🇧🇪 934 25 102ms 12 Mar 2024 560th btnlq 934 29 195ms 21 Feb 2021 560th nwellnhof 🇩🇪 934 29 196ms 25 Oct 2021 560th primo-ppcg 🇹🇭 934 29 202ms 10 Mar 2022 560th GrayJoKing 🇦🇺 934 29 205ms 10 Mar 2022 560th SirBogman 🇺🇸 934 29 202ms 23 Jun 2022 560th MeWhenI 🇻🇦 934 29 198ms 28 Jan 2023 560th stefangimmillaro 934 29 230ms 29 Oct 2023 560th Yewzir 🇧🇪 934 29 212ms 19 Nov 2023 560th dcgjb 934 29 204ms 24 Jan 2024 560th DialFrost 🇸🇬 934 29 243ms 6 Jun 2024 560th bitsandbeyond 🇳🇱 934 29 189ms 26 days ago 571st Steffan153 🇫🇮 934 38 134ms 4 Aug 2024 571st sean-niemann 🇺🇸 934 38 130ms 4 Aug 2024 571st JayXon 🇺🇸 934 38 130ms 4 Aug 2024 571st DialFrost 🇸🇬 934 38 127ms 4 Aug 2024 571st Lydxn 🇨🇦 934 38 126ms 5 Aug 2024 571st lukegustafson 🇺🇸 934 38 129ms 7 Aug 2024 577th ovs-code 🇩🇪 934 39 2ms 8 Oct 2023 577th sean-niemann 🇺🇸 934 39 2ms 8 Oct 2023 577th Lydxn 🇨🇦 934 39 1ms 8 Oct 2023 577th GrayJoKing 🇦🇺 934 39 1ms 8 Oct 2023 577th Yewzir 🇧🇪 934 39 1ms 9 Oct 2023 577th Steffan153 🇫🇮 934 39 1ms 10 Oct 2023 577th inventshah 934 39 1ms 10 Oct 2023 577th JayXon 🇺🇸 934 39 1ms 10 Oct 2023 577th DialFrost 🇸🇬 934 39 1ms 6 Nov 2023 577th Betuaredead 934 39 1ms 11 Nov 2023 577th Shanethegamer 🇺🇸 934 39 1ms 14 Nov 2023 577th prplz 🇦🇺 934 39 1ms 18 Jan 2024 577th rucin93 🇵🇱 934 39 1ms 27 Feb 2024 577th MeWhenI 🇻🇦 934 39 1ms 18 Aug 2024 577th pardouin 🇫🇷 934 39 1ms 21 Aug 2024 577th FlyingPenguin223 934 39 1ms 29 Oct 2024 577th fuzzylojik-golf 🇺🇸 934 39 1ms 13 Jul 2025 577th edsrzf 🇳🇿 934 39 1ms 26 Jul 2025 577th GolfingSuccess 🇬🇷 934 39 1ms 10 Aug 2025 596th Lydxn 🇨🇦 933 37 66ms 12 Dec 2022 596th ovs-code 🇩🇪 933 37 66ms 29 Jan 2023 596th DialFrost 🇸🇬 933 37 66ms 27 May 2024 596th sean-niemann 🇺🇸 933 37 66ms 12 Jul 2024 596th Steffan153 🇫🇮 933 37 69ms 13 Jul 2024 First Prev 526–600 of 4,064 Next Last