Collatz in Python in bytes. 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 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 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 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 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 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 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 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 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 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 Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 751st Zach10za 474 133 21ms 23 Jan 2024 752nd vtilde 470 134 20ms 8 Jan 2024 753rd fig-apple 467 135 11ms 24 Jun 2023 754th S-Ruban 460 137 13ms 25 Feb 2023 755th FLOKI0421 453 139 43ms 4 May 2025 755th noahdorsch 453 139 18ms 5 May 2025 757th bartsowka2000 423 149 19ms 10 Jul 2023 758th KapelMeister 420 150 13ms 5 Sep 2025 759th sa1640 409 154 13ms 28 Apr 2025 760th arinhyther 406 155 17ms 24 Dec 2022 761st SebbeCaliban 401 157 18ms 11 Apr 2023 762nd codefeld 364 173 18ms 5 Mar 2023 763rd fl3ur1nestimable 354 178 15ms 24 Oct 2022 764th Laellekoenig 339 186 15ms 23 days ago 765th Siyasia 333 189 16ms 22 Apr 2025 766th kalehika1234 326 193 15ms 24 Apr 2025 767th hannahherbig 325 194 14ms 30 Mar 2023 768th dahappy1989 307 205 18ms 5 Nov 2023 769th sahilshresthaa 306 206 13ms 4 May 2025 770th jalbertgordon 304 207 12ms 24 Oct 2023 771st AidanWalter 301 209 13ms 3 Jan 2025 772nd sayloren 290 217 22ms 5 Mar 2023 772nd AshayP123 290 217 17ms 1 May 2025 774th rubenguajardount 280 225 20ms 4 May 2025 775th amritm55 276 228 13ms 1 Apr 2025 776th clarkatunt19 275 229 20ms 3 May 2025 777th jac1107 274 230 13ms 4 May 2025 777th rcs0252 274 230 13ms 4 May 2025 779th apurbapokharel 269 234 20ms 3 Apr 2025 780th wlopez44 260 242 13ms 29 Apr 2025 780th sakshiPatel2602 260 242 13ms 3 May 2025 782nd Zok030 259 243 14ms 1 Apr 2025 782nd Josemnz 259 243 13ms 28 Apr 2025 784th tophy6 256 246 13ms 1 Apr 2025 784th LyndaS317 256 246 13ms 14 Apr 2025 786th letdank 255 247 14ms 1 Apr 2025 786th AdamGonzo1254 255 247 13ms 3 May 2025 788th shawncrabtree 250 252 17ms 5 Jul 2025 789th punkroczombie 248 254 17ms 4 May 2025 790th Abulsamad 221 285 13ms 5 May 2025 791st aidnrox 208 303 13ms 2 May 2025 792nd OffSecVik 207 304 12ms 25 Feb 2023 793rd Hailee100 201 314 14ms 1 Apr 2025 794th lightediand 🇬🇧 197 319 14ms 14 Dec 2022 795th chaamsak 196 322 13ms 1 May 2025 796th joshuamkite 192 328 15ms 15 Aug 2023 797th 27carig 191 330 33ms 2 May 2025 798th steven-purcell 170 370 25ms 15 Jan 2024 799th lightgeb 164 384 17ms 27 Oct 2023 799th Zhenyu-Bo 164 384 14ms 1 Aug 2025 801st Samtheman773 162 390 13ms 22 Apr 2025 802nd jejuan05 140 450 13ms 1 Apr 2025 803rd DiyaKumariGupta 113 560 13ms 30 Apr 2025 804th chasedillard 100 629 14ms 30 Apr 2025 805th JKfromHMS 19 3,238 10ms 20 May 2024 805th RJFuller 19 3,238 11ms 3 Apr 2025 807th KatieLG-Transpiler 🇬🇧 15 4,233 10ms 23 Jun 2022 First Prev 751–807 of 807
