Happy 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 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 371st Miles-1000 🇬🇧 480 100 23ms 26 Feb 2021 371st TimLeffke 480 100 17ms 13 Sep 2022 371st cingulataluke 480 100 12ms 28 Aug 2023 371st AbhilashaTandon 480 100 21ms 22 Sep 2023 371st JakeDaCake36 480 100 18ms 20 Feb 2024 371st Emutis 🇱🇹 480 100 12ms 22 Aug 2025 382nd ianpoe 475 101 17ms 30 Apr 2020 382nd brian6liu 475 101 19ms 9 May 2020 382nd martinnorling 🇸🇪 475 101 24ms 2 Feb 2022 382nd Stockoh 🇫🇷 475 101 22ms 26 Apr 2024 386th michael-celani 471 102 11ms 30 Dec 2017 386th knutae 🇳🇴 471 102 18ms 6 Dec 2021 386th za3k 471 102 12ms 9 Oct 2022 386th CatsAreFluffy 471 102 10ms 12 Dec 2022 390th jhunterkohler 466 103 18ms 20 May 2021 390th rollsroyce0 466 103 17ms 8 Jul 2025 392nd PFischbeck 462 104 18ms 2 Jan 2018 392nd fynnkroeger 462 104 18ms 8 Feb 2021 392nd feherd 462 104 22ms 30 Aug 2021 392nd amollberg 🇸🇪 462 104 17ms 29 Jan 2022 392nd MarioPlq 462 104 12ms 24 Jun 2022 392nd no53488 462 104 11ms 5 Dec 2022 392nd Wildst 462 104 11ms 7 Jul 2023 399th lrustand 457 105 12ms 15 Jan 2018 399th djtuBIG-MaliceX 457 105 18ms 30 Jan 2018 399th Faweks1 457 105 20ms 1 Aug 2018 399th SupImDos 457 105 10ms 10 Nov 2020 399th dillon-duncando 457 105 24ms 1 Dec 2021 399th Ch3ngL0rd 457 105 12ms 16 Jan 2024 399th jamesthekee 457 105 14ms 25 Jan 2025 399th kistlerf 🇨🇭 457 105 22ms 16 May 2025 407th dave-ck 453 106 11ms 3 Mar 2018 407th RyanCarrusca 453 106 10ms 21 Feb 2019 407th oriphi 453 106 60ms 17 Jun 2019 407th evanrittner 453 106 18ms 12 Jan 2020 407th oAsAo 453 106 43ms 21 Jan 2020 407th hymanimy 453 106 18ms 11 Aug 2021 407th eshilo-draper 453 106 18ms 18 Nov 2022 407th ZoeMcG 453 106 15ms 8 Jan 2023 407th mathisfun271 453 106 95ms 13 Feb 2024 407th Ythaenagor 453 106 27ms 5 Aug 2024 417th stordev 449 107 20ms 26 Feb 2021 417th KrausRaus 🇺🇸 449 107 10ms 15 Apr 2021 417th petroselo 449 107 17ms 29 Dec 2021 417th jumelet 🇳🇱 449 107 18ms 13 Dec 2022 417th jameswmccarty 449 107 18ms 11 Jul 2024 417th PyryL 🇫🇮 449 107 18ms 15 Mar 2025 417th kbeat 🇰🇿 449 107 25ms 21 May 2025 424th 05st 444 108 18ms 14 Feb 2022 424th CameronGBell 444 108 10ms 7 Mar 2022 424th SniperSmiley 🇺🇸 444 108 17ms 29 Jun 2022 424th dtaylor0 444 108 22ms 25 Dec 2022 424th ridingqwerty 🇺🇸 444 108 18ms 30 Nov 2023 424th sultan 444 108 11ms 2 Apr 2024 424th jfallon1997 444 108 25ms 16 May 2024 424th 40fied4t 444 108 11ms 21 May 2025 432nd tkwa 440 109 17ms 5 Dec 2018 432nd Bodo171 440 109 15ms 24 Nov 2022 432nd DaCuteRaccoon 440 109 11ms 30 Nov 2022 432nd jagannathhari 440 109 18ms 21 Oct 2023 432nd ian-h-chamberlain 🇺🇸 440 109 19ms 9 days ago 437th ValNyz 436 110 26ms 20 Apr 2018 437th hyvyys 436 110 11ms 16 Sep 2020 437th vodker1 436 110 18ms 8 Mar 2022 437th berdzi 436 110 10ms 15 Mar 2022 437th VictorFordham 436 110 18ms 12 Oct 2023 437th NanduBC 436 110 21ms 7 Sep 2024 443rd ArturLange 432 111 12ms 5 Sep 2018 443rd adesanjo 432 111 20ms 8 Jun 2019 443rd vonKrafft 432 111 12ms 26 Mar 2020 443rd TinyTheBrontosaurus 432 111 10ms 4 Dec 2023 443rd 123mjb 432 111 12ms 26 Jun 2025 448th boxjelly 429 112 12ms 10 Jan 2021 448th Pena86 429 112 11ms 18 Feb 2021 448th Kasci 429 112 79ms 28 Dec 2021 First Prev 376–450 of 693 Next Last