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 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 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 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 Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 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 Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 599th FCORMERAIS 673 101 6 Mar 2024 599th yhm138 673 101 16 Feb 2025 603rd PogLop 🇨🇿 667 102 31 Oct 2022 603rd AndersH3 🇸🇪 667 102 17 May 2023 603rd JulieGermainUNT 667 102 2 Apr 2025 606th enbyte 660 103 20 Dec 2022 606th rajlath 660 103 7 Jan 2023 606th mnurzia 660 103 12 Oct 2023 606th sqrteipi 660 103 2 Apr 2024 606th calum12345 660 103 26 Mar 2025 611th winigo3 654 104 8 Aug 2022 611th zt14427 654 104 30 Apr 2023 611th IoLimmer 654 104 24 Jul 2024 614th LordSir101 648 105 19 Jul 2022 614th tmanternach 648 105 24 Nov 2022 614th weber-hge 648 105 13 Jun 2023 614th Eugen-str 648 105 24 Oct 2023 618th ms-tingliang 642 106 5 Aug 2022 618th achilleasr 642 106 7 Nov 2022 618th OleBrumm 642 106 8 Jan 2023 618th AbhilashaTandon 642 106 19 Sep 2023 618th sheeperino 🇮🇹 642 106 11 Oct 2024 623rd phpboyscout 636 107 18 May 2023 623rd DrPrettyman 636 107 5 Jul 2023 623rd joseph-w0ng 636 107 5 Jul 2024 626th landyrisbad 630 108 13 Nov 2022 626th cakular 630 108 17 May 2024 626th glassala 630 108 25 Oct 2024 629th tjefferson401 624 109 16 Sep 2022 629th ariesmarinus 624 109 21 Nov 2024 631st profJGermain 618 110 7 Feb 2024 631st JMMMMC 618 110 23 Oct 2024 633rd sagnik3 607 112 8 Aug 2022 633rd craftablescience 607 112 19 Sep 2023 635th kelseychristensen 602 113 2 Nov 2022 635th ArmsTheLimited 602 113 1 Jun 2023 637th HunterC14 596 114 18 Oct 2024 638th jstechman 591 115 24 Feb 2024 638th dan422442 591 115 19 Oct 2024 640th keelanfh 586 116 20 Dec 2023 640th returnitynet 586 116 27 Jan 2025 642nd gioto64 581 117 8 Dec 2022 642nd WilfredSalmon 581 117 21 Oct 2023 644th XianchengZ 576 118 18 Aug 2023 644th brindak2005 576 118 21 hours ago 646th jmmographer 557 122 21 Oct 2023 647th xbxbxb007 553 123 10 Jan 2024 648th kevinnaviapaiva 527 129 20 Feb 2025 649th AdrianN001 523 130 6 Aug 2023 650th wyatt-the-hump 519 131 24 Dec 2022 650th hotmanga 519 131 20 Oct 2023 652nd Zach10za 511 133 23 Jan 2024 653rd vtilde 507 134 8 Jan 2024 654th fig-apple 504 135 24 Jun 2023 655th S-Ruban 496 137 25 Feb 2023 656th EnisEfe0 469 145 3 Apr 2023 657th bartsowka2000 456 149 10 Jul 2023 658th sa1640 442 154 4 days ago 659th arinhyther 439 155 24 Dec 2022 660th SebbeCaliban 433 157 11 Apr 2023 661st codefeld 393 173 5 Mar 2023 662nd fl3ur1nestimable 382 178 24 Oct 2022 663rd Siyasia 360 189 10 days ago 664th kalehika1234 352 193 8 days ago 665th hannahherbig 351 194 30 Mar 2023 666th dahappy1989 332 205 5 Nov 2023 666th KasperKivimaeki 🇫🇮 332 205 9 Jul 2024 668th jalbertgordon 329 207 24 Oct 2023 669th AidanWalter 325 209 3 Jan 2025 670th sayloren 313 217 5 Mar 2023 670th AshayP123 313 217 42 hours ago 672nd amritm55 298 228 1 Apr 2025 673rd apurbapokharel 291 234 3 Apr 2025 674th wlopez44 281 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