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 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 Bytes Time 675th tmanternach 648 105 24 Nov 2022 675th weber-hge 648 105 13 Jun 2023 675th Eugen-str 648 105 24 Oct 2023 679th ms-tingliang 642 106 5 Aug 2022 679th achilleasr 642 106 7 Nov 2022 679th OleBrumm 642 106 8 Jan 2023 679th AbhilashaTandon 642 106 19 Sep 2023 679th sheeperino 🇮🇹 642 106 11 Oct 2024 684th phpboyscout 636 107 18 May 2023 684th DrPrettyman 636 107 5 Jul 2023 684th joseph-w0ng 636 107 5 Jul 2024 684th EnisEfe0 636 107 18 May 2025 688th landyrisbad 630 108 13 Nov 2022 688th cakular 630 108 17 May 2024 688th glassala 630 108 25 Oct 2024 691st tjefferson401 624 109 16 Sep 2022 691st ariesmarinus 624 109 21 Nov 2024 693rd profJGermain 618 110 7 Feb 2024 693rd JMMMMC 618 110 23 Oct 2024 693rd jtb0362 618 110 10 May 2025 693rd davidludwik2370 618 110 29 Jul 2025 697th sagnik3 607 112 8 Aug 2022 697th craftablescience 607 112 19 Sep 2023 699th kelseychristensen 602 113 2 Nov 2022 699th ArmsTheLimited 602 113 1 Jun 2023 701st HunterC14 596 114 18 Oct 2024 702nd jstechman 591 115 24 Feb 2024 702nd dan422442 591 115 19 Oct 2024 704th keelanfh 586 116 20 Dec 2023 704th returnitynet 586 116 27 Jan 2025 706th gioto64 581 117 8 Dec 2022 706th WilfredSalmon 581 117 21 Oct 2023 708th XianchengZ 576 118 18 Aug 2023 708th brindak2005 576 118 2 May 2025 710th jmmographer 557 122 21 Oct 2023 710th RucatJ 557 122 8 Aug 2025 712th xbxbxb007 553 123 10 Jan 2024 713th kevinnaviapaiva 527 129 20 Feb 2025 714th AdrianN001 523 130 6 Aug 2023 715th wyatt-the-hump 519 131 24 Dec 2022 715th hotmanga 519 131 20 Oct 2023 715th Jordynar02 519 131 3 May 2025 718th Zach10za 511 133 23 Jan 2024 719th vtilde 507 134 8 Jan 2024 720th fig-apple 504 135 24 Jun 2023 721st S-Ruban 496 137 25 Feb 2023 722nd FLOKI0421 489 139 4 May 2025 722nd noahdorsch 489 139 5 May 2025 724th bartsowka2000 456 149 10 Jul 2023 725th KapelMeister 453 150 3 days ago 726th sa1640 442 154 28 Apr 2025 727th arinhyther 439 155 24 Dec 2022 728th SebbeCaliban 433 157 11 Apr 2023 729th codefeld 393 173 5 Mar 2023 730th fl3ur1nestimable 382 178 24 Oct 2022 731st Siyasia 360 189 22 Apr 2025 732nd kalehika1234 352 193 24 Apr 2025 733rd hannahherbig 351 194 30 Mar 2023 734th dahappy1989 332 205 5 Nov 2023 735th sahilshresthaa 330 206 4 May 2025 736th jalbertgordon 329 207 24 Oct 2023 737th AidanWalter 325 209 3 Jan 2025 738th sayloren 313 217 5 Mar 2023 738th AshayP123 313 217 1 May 2025 740th rubenguajardount 302 225 4 May 2025 741st amritm55 298 228 1 Apr 2025 742nd clarkatunt19 297 229 3 May 2025 743rd jac1107 296 230 4 May 2025 743rd rcs0252 296 230 4 May 2025 745th apurbapokharel 291 234 3 Apr 2025 746th wlopez44 281 242 29 Apr 2025 746th sakshiPatel2602 281 242 3 May 2025 748th Zok030 280 243 1 Apr 2025 748th Josemnz 280 243 28 Apr 2025 750th tophy6 276 246 1 Apr 2025 Prev 676–750 of 774 Next