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 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 Snake Sphenic Numbers Trinomial Triangle 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 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 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 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 Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 522nd samchristiandd 384 125 19 Feb 2021 522nd clementblaudeau 384 125 26 May 2021 522nd brochmann 🇸🇪 384 125 6 Feb 2022 522nd AliceFord 384 125 2 Jun 2022 522nd elephantpanda 384 125 31 Aug 2022 522nd Azearia 384 125 1 Dec 2022 522nd Schreipfelerer 384 125 9 Apr 2023 522nd eddvrs 384 125 21 Dec 2023 522nd qwjhvbxi 384 125 8 Feb 2024 522nd Pale-Vessel 384 125 1 Apr 2024 522nd hippopotam00sehead 🇨🇦 384 125 13 Sep 2024 522nd TralfamadorianComedian 384 125 31 Dec 2024 522nd TheZwierzLF 🇵🇱 384 125 25 May 2025 539th rschwa6308 🇺🇸 381 126 6 Aug 2020 539th jackedwards04 381 126 22 Nov 2020 539th b4dpxl 381 126 10 Nov 2021 539th jettdc 381 126 31 Dec 2022 539th jstechman 381 126 9 Mar 2024 544th usnheckler 378 127 7 Jun 2019 544th derekthatcher 378 127 25 Sep 2020 544th bastienvoirin 🇫🇷 378 127 28 Nov 2020 544th Evan-Robotics 378 127 26 Jan 2022 544th gareth-kmet 378 127 2 Mar 2023 549th petar-donchev 375 128 8 Sep 2019 549th shibacho 🇯🇵 375 128 25 Nov 2022 549th EthanJantz 375 128 19 days ago 552nd ChristianFieldhouse 372 129 22 Mar 2021 553rd richard-oelze 🇩🇪 369 130 28 Feb 2021 553rd yokasuretsu 369 130 28 Nov 2021 553rd andrewgopher 369 130 27 Jun 2022 553rd LukasFolwarczny 🇨🇿 369 130 16 Sep 2022 553rd ThatAlo 369 130 27 Jan 2023 553rd Coding4Hours 369 130 4 Oct 2024 553rd IsaacAlexBarden 369 130 13 Feb 2025 560th ozewski 366 131 2 May 2019 560th guliyevemil1 🇦🇿 366 131 18 Apr 2020 560th Gordo5556 366 131 29 Apr 2022 563rd theonlytruemathnerd 364 132 11 Jan 2020 563rd JuanGomez12 364 132 2 Feb 2023 563rd aszku 364 132 20 Apr 2023 563rd strogor 364 132 9 Jun 2025 567th Manby 361 133 30 Jun 2021 567th byteDJINN 361 133 16 Jan 2024 569th skps2010 358 134 4 Jan 2019 569th patbassing 358 134 26 May 2019 569th Nibamot 358 134 19 Feb 2020 569th aagray33 358 134 28 Feb 2020 569th Techdude01 358 134 17 Dec 2022 569th julian-hoelz 358 134 15 Sep 2024 575th bkshrader 356 135 27 Dec 2018 575th reubengann 356 135 14 Feb 2020 575th FusionAtom360 356 135 28 Sep 2024 578th smartiel 353 136 15 Sep 2022 578th ComputerKWasTaken 🇺🇸 353 136 8 Jun 2024 580th DrPrettyman 350 137 1 Jun 2023 581st adamhass 348 138 19 Jul 2018 581st mrmena 🇦🇺 348 138 16 Apr 2024 583rd jmhowl 345 139 19 Jan 2020 583rd mokymok 🇺🇸 345 139 29 Dec 2021 583rd lightediand 🇬🇧 345 139 18 Jan 2023 583rd CyberTapir 345 139 1 Sep 2024 583rd Wonamm 345 139 14 Feb 2025 588th mcdowell95 343 140 26 Mar 2020 588th osmith93 343 140 31 Jul 2021 588th 104210 343 140 11 May 2022 591st Pierrot-Baptiste 340 141 9 Aug 2020 591st dranjohn 340 141 10 Sep 2023 591st DGipe 340 141 4 Mar 2024 591st SURAJMITTAL 340 141 20 Dec 2024 595th ChristophJud 338 142 11 Aug 2020 596th RoscoeSmith 336 143 14 Sep 2022 597th SimonPeatman 333 144 2 Feb 2019 597th pde-bakk 🇳🇱 333 144 23 Oct 2023 599th CRHillman 331 145 17 Aug 2018 599th ethandhunt 331 145 29 Jul 2021 Prev 526–600 of 687 Next