Niven Numbers in Python 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 Continued Fractions 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 Continued Fractions 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 664th sbr075 657 67 10ms 7 Dec 2021 664th brochmann 🇸🇪 657 67 9ms 7 Feb 2022 664th Marco-perce 657 67 9ms 12 Aug 2022 664th TimLeffke 657 67 9ms 17 Aug 2022 664th mdnestor 657 67 10ms 27 Dec 2022 664th Pimveha 657 67 10ms 12 Jan 2023 664th UriyaBA 657 67 9ms 20 Mar 2023 664th A-Dummo 657 67 10ms 28 May 2023 664th Fanrco 657 67 9ms 31 Aug 2023 664th epic-programmer-guy 657 67 10ms 20 Dec 2023 664th ComputerKWasTaken 🇺🇸 657 67 15ms 1 Jun 2024 664th lhulinsky 657 67 9ms 21 Oct 2024 664th Naitzirch 🇳🇱 657 67 9ms 3 Jul 2025 664th TJK-S 657 67 9ms 22 Oct 2025 690th Visckmart 647 68 9ms 22 Jul 2018 690th mfinzi 647 68 11ms 19 Nov 2018 690th EmadAIsmael 647 68 10ms 22 Jan 2019 690th jrburga 647 68 9ms 17 Nov 2019 690th scottJsonar 647 68 10ms 29 Nov 2019 690th Malin001 647 68 13ms 4 Jan 2020 690th theonlytruemathnerd 647 68 9ms 10 Jan 2020 690th mcdowell95 647 68 11ms 1 Apr 2020 690th havardMoe 647 68 9ms 30 Jul 2020 690th achow0 647 68 9ms 3 Aug 2020 690th potato-jackson 647 68 9ms 1 Mar 2021 690th peculiarination 647 68 10ms 20 May 2021 690th orifu 647 68 9ms 25 Jun 2021 690th twocatsinatrenchcoat 647 68 9ms 14 Apr 2022 690th Shiran-Yuan 647 68 9ms 5 Apr 2023 690th SURAJMITTAL 647 68 9ms 19 Dec 2024 690th WillowWispy 647 68 9ms 15 Mar 2025 690th SOONwasTaken 647 68 9ms 19 Mar 2025 690th saturzay 647 68 9ms 22 Aug 2025 690th EthanJantz 647 68 9ms 22 Aug 2025 690th therealnumbers 647 68 9ms 26 Sep 2025 690th Yash-Sangtani 647 68 9ms 5 Oct 2025 712th willzywiec 638 69 9ms 6 Aug 2018 712th SimonPeatman 638 69 9ms 28 Dec 2018 712th YH-Kang 638 69 10ms 1 Feb 2019 712th toabi 638 69 9ms 21 Aug 2019 712th austinrwarner 638 69 10ms 12 Sep 2019 712th wikwg9 638 69 9ms 29 Oct 2019 712th bakaq 638 69 14ms 4 Jan 2020 712th vonKrafft 638 69 9ms 24 Mar 2020 712th jackdonofrio 638 69 11ms 25 Sep 2020 712th goombado 638 69 11ms 19 Oct 2020 712th OliverWales 638 69 9ms 5 Nov 2020 712th Miles-1000 🇬🇧 638 69 9ms 28 Feb 2021 712th lemogne 638 69 9ms 12 Aug 2021 712th enbyte 638 69 9ms 1 Apr 2022 712th Bananapants22 638 69 10ms 12 Aug 2022 712th landyrisbad 638 69 10ms 14 Nov 2022 712th lomarbrick 638 69 9ms 17 May 2023 712th MisterrLuck 638 69 9ms 1 Sep 2023 712th dranjohn 638 69 9ms 11 Sep 2023 712th Mr-McChicken 638 69 9ms 18 Oct 2023 712th Fmbalbuena 638 69 10ms 25 Oct 2023 712th GitQuick 638 69 9ms 10 Mar 2024 712th DGipe 638 69 9ms 13 May 2024 712th ToE42 638 69 9ms 28 May 2025 712th Matthewhine8 638 69 11ms 29 Jul 2025 737th kpasc 629 70 11ms 14 Jul 2018 737th joakimalsbjergdich 629 70 9ms 30 Oct 2019 737th slopey112 629 70 9ms 27 Nov 2019 737th Jviscus1 629 70 12ms 24 Apr 2020 737th raymond-li16 629 70 9ms 10 Jul 2020 737th markbyrne 629 70 10ms 26 Oct 2020 737th Armangharleghi1999 629 70 9ms 25 May 2022 737th nmgetahun 629 70 9ms 5 Dec 2022 737th sciencejiho 629 70 9ms 4 May 2024 737th IoLimmer 629 70 9ms 24 Jul 2024 737th Unknownuserfrommars 629 70 10ms 21 Nov 2024 737th Quirkly-Quasar1 🇺🇸 629 70 9ms 8 Dec 2024 737th TralfamadorianComedian 629 70 9ms 31 Dec 2024 750th Akilles1 620 71 9ms 27 Nov 2019 First Prev 676–750 of 904 Next Last