Collatz in Python in bytes. 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 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 Hilbert Curve 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 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 Groovy 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 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 Groovy 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 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 Hilbert Curve 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 Bytes Time 676th landyrisbad 630 108 13 Nov 2022 676th cakular 630 108 17 May 2024 676th glassala 630 108 25 Oct 2024 679th tjefferson401 624 109 16 Sep 2022 679th ariesmarinus 624 109 21 Nov 2024 681st profJGermain 618 110 7 Feb 2024 681st JMMMMC 618 110 23 Oct 2024 681st jtb0362 618 110 10 May 2025 681st davidludwik2370 618 110 14 days ago 685th sagnik3 607 112 8 Aug 2022 685th craftablescience 607 112 19 Sep 2023 687th kelseychristensen 602 113 2 Nov 2022 687th ArmsTheLimited 602 113 1 Jun 2023 689th HunterC14 596 114 18 Oct 2024 690th jstechman 591 115 24 Feb 2024 690th dan422442 591 115 19 Oct 2024 692nd keelanfh 586 116 20 Dec 2023 692nd returnitynet 586 116 27 Jan 2025 694th gioto64 581 117 8 Dec 2022 694th WilfredSalmon 581 117 21 Oct 2023 696th XianchengZ 576 118 18 Aug 2023 696th brindak2005 576 118 2 May 2025 698th jmmographer 557 122 21 Oct 2023 698th RucatJ 557 122 4 days ago 700th xbxbxb007 553 123 10 Jan 2024 701st kevinnaviapaiva 527 129 20 Feb 2025 702nd AdrianN001 523 130 6 Aug 2023 703rd wyatt-the-hump 519 131 24 Dec 2022 703rd hotmanga 519 131 20 Oct 2023 703rd Jordynar02 519 131 3 May 2025 706th Zach10za 511 133 23 Jan 2024 707th vtilde 507 134 8 Jan 2024 708th fig-apple 504 135 24 Jun 2023 709th S-Ruban 496 137 25 Feb 2023 710th FLOKI0421 489 139 4 May 2025 710th noahdorsch 489 139 5 May 2025 712th bartsowka2000 456 149 10 Jul 2023 713th sa1640 442 154 28 Apr 2025 714th arinhyther 439 155 24 Dec 2022 715th SebbeCaliban 433 157 11 Apr 2023 716th codefeld 393 173 5 Mar 2023 717th fl3ur1nestimable 382 178 24 Oct 2022 718th Siyasia 360 189 22 Apr 2025 719th kalehika1234 352 193 24 Apr 2025 720th hannahherbig 351 194 30 Mar 2023 721st Upload-and-View 🇺🇦 337 202 17 days ago 722nd dahappy1989 332 205 5 Nov 2023 723rd sahilshresthaa 330 206 4 May 2025 724th jalbertgordon 329 207 24 Oct 2023 725th AidanWalter 325 209 3 Jan 2025 726th sayloren 313 217 5 Mar 2023 726th AshayP123 313 217 1 May 2025 728th rubenguajardount 302 225 4 May 2025 729th amritm55 298 228 1 Apr 2025 730th clarkatunt19 297 229 3 May 2025 731st jac1107 296 230 4 May 2025 731st rcs0252 296 230 4 May 2025 733rd apurbapokharel 291 234 3 Apr 2025 734th wlopez44 281 242 29 Apr 2025 734th sakshiPatel2602 281 242 3 May 2025 736th Zok030 280 243 1 Apr 2025 736th Josemnz 280 243 28 Apr 2025 738th tophy6 276 246 1 Apr 2025 738th LyndaS317 276 246 14 Apr 2025 740th letdank 275 247 1 Apr 2025 740th AdamGonzo1254 275 247 3 May 2025 742nd shawncrabtree 270 252 5 Jul 2025 743rd punkroczombie 268 254 4 May 2025 744th Abulsamad 239 285 5 May 2025 745th aidnrox 224 303 2 May 2025 746th OffSecVik 224 304 25 Feb 2023 747th Hailee100 217 314 1 Apr 2025 748th lightediand 🇬🇧 213 319 14 Dec 2022 749th chaamsak 211 322 1 May 2025 750th joshuamkite 207 328 15 Aug 2023 Prev 676–750 of 762 Next