Collatz in Python in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar 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 Multitap Input 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 Tower of Hanoi 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 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 Erlang 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 Calendar 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 Multitap Input 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 Tower of Hanoi 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 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 721st LordSir101 543 105 18ms 19 Jul 2022 721st tmanternach 543 105 19ms 24 Nov 2022 721st weber-hge 543 105 15ms 13 Jun 2023 721st Eugen-str 543 105 20ms 24 Oct 2023 725th ms-tingliang 538 106 15ms 5 Aug 2022 725th achilleasr 538 106 20ms 7 Nov 2022 725th OleBrumm 538 106 21ms 8 Jan 2023 725th AbhilashaTandon 538 106 20ms 19 Sep 2023 725th sheeperino 🇮🇹 538 106 20ms 11 Oct 2024 730th phpboyscout 533 107 17ms 18 May 2023 730th DrPrettyman 533 107 15ms 5 Jul 2023 730th joseph-w0ng 533 107 15ms 5 Jul 2024 730th EnisEfe0 533 107 20ms 18 May 2025 734th landyrisbad 528 108 19ms 13 Nov 2022 734th cakular 528 108 25ms 17 May 2024 734th glassala 528 108 15ms 25 Oct 2024 734th CarterStroik 528 108 21ms 12 Nov 2025 738th tjefferson401 523 109 29ms 16 Sep 2022 738th ariesmarinus 523 109 19ms 21 Nov 2024 740th profJGermain 518 110 20ms 7 Feb 2024 740th JMMMMC 518 110 21ms 23 Oct 2024 740th jtb0362 518 110 20ms 10 May 2025 743rd sagnik3 509 112 19ms 8 Aug 2022 743rd craftablescience 509 112 17ms 19 Sep 2023 745th kelseychristensen 504 113 20ms 2 Nov 2022 745th ArmsTheLimited 504 113 16ms 1 Jun 2023 747th HunterC14 500 114 26ms 18 Oct 2024 748th jstechman 496 115 33ms 24 Feb 2024 748th dan422442 496 115 20ms 19 Oct 2024 750th keelanfh 491 116 17ms 20 Dec 2023 750th returnitynet 491 116 18ms 27 Jan 2025 750th EthanPatel01000101 491 116 17ms 20 Oct 2025 753rd gioto64 487 117 17ms 8 Dec 2022 753rd WilfredSalmon 487 117 18ms 21 Oct 2023 755th XianchengZ 483 118 20ms 18 Aug 2023 755th brindak2005 483 118 17ms 2 May 2025 757th jmmographer 467 122 20ms 21 Oct 2023 757th RucatJ 467 122 19ms 8 Aug 2025 759th xbxbxb007 463 123 21ms 10 Jan 2024 760th kevinnaviapaiva 442 129 19ms 20 Feb 2025 761st AdrianN001 438 130 17ms 6 Aug 2023 762nd wyatt-the-hump 435 131 16ms 24 Dec 2022 762nd hotmanga 435 131 13ms 20 Oct 2023 762nd Jordynar02 435 131 22ms 3 May 2025 765th Zach10za 429 133 24ms 23 Jan 2024 766th vtilde 425 134 17ms 8 Jan 2024 767th fig-apple 422 135 11ms 24 Jun 2023 768th S-Ruban 416 137 13ms 25 Feb 2023 769th FLOKI0421 410 139 21ms 4 May 2025 769th noahdorsch 410 139 20ms 5 May 2025 771st bartsowka2000 383 149 20ms 10 Jul 2023 772nd KapelMeister 380 150 15ms 5 Sep 2025 773rd Shegofa-Ahmadi 370 154 15ms 28 Apr 2025 774th arinhyther 368 155 17ms 24 Dec 2022 775th SebbeCaliban 363 157 18ms 11 Apr 2023 776th codefeld 329 173 20ms 5 Mar 2023 777th fl3ur1nestimable 320 178 17ms 24 Oct 2022 778th Laellekoenig 306 186 16ms 7 Nov 2025 779th Siyasia 302 189 17ms 22 Apr 2025 780th kalehika1234 295 193 14ms 24 Apr 2025 781st hannahherbig 294 194 15ms 30 Mar 2023 782nd dahappy1989 278 205 19ms 5 Nov 2023 783rd sahilshresthaa 277 206 18ms 4 May 2025 784th jalbertgordon 275 207 16ms 24 Oct 2023 785th AidanWalter 273 209 17ms 3 Jan 2025 786th sayloren 263 217 21ms 5 Mar 2023 786th AshayP123 263 217 17ms 1 May 2025 788th rubenguajardount 253 225 21ms 4 May 2025 789th amritm55 250 228 14ms 1 Apr 2025 790th clarkatunt19 249 229 21ms 3 May 2025 791st jac1107 248 230 18ms 4 May 2025 791st rcs0252 248 230 16ms 4 May 2025 793rd apurbapokharel 244 234 20ms 3 Apr 2025 794th wlopez44 236 242 15ms 29 Apr 2025 794th sakshiPatel2602 236 242 17ms 3 May 2025 796th Zok030 235 243 14ms 1 Apr 2025 796th Josemnz 235 243 14ms 28 Apr 2025 798th tophy6 232 246 14ms 1 Apr 2025 798th LyndaS317 232 246 14ms 14 Apr 2025 800th letdank 231 247 15ms 1 Apr 2025 First Prev 721–800 of 822 Next Last
