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 Trinomial Triangle 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 Smooth Numbers Snake Sphenic Numbers 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 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 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 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 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 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 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 Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 673rd karlaacastro44 680 100 21ms 5 May 2025 677th markus-rekdal 673 101 26ms 10 May 2022 677th fraserli 🇦🇺 673 101 26ms 2 May 2023 677th FCORMERAIS 673 101 22ms 6 Mar 2024 677th yhm138 673 101 15ms 16 Feb 2025 681st PogLop 🇨🇿 667 102 18ms 31 Oct 2022 681st AndersH3 🇸🇪 667 102 16ms 17 May 2023 681st JulieGermainUNT 667 102 23ms 2 Apr 2025 684th enbyte 660 103 20ms 20 Dec 2022 684th rajlath 660 103 18ms 7 Jan 2023 684th mnurzia 660 103 16ms 12 Oct 2023 684th sqrteipi 660 103 20ms 2 Apr 2024 684th calum12345 660 103 19ms 26 Mar 2025 684th SectorCorruptor 660 103 26ms 14 Aug 2025 690th winigo3 654 104 26ms 8 Aug 2022 690th zt14427 654 104 20ms 30 Apr 2023 690th IoLimmer 654 104 17ms 24 Jul 2024 693rd LordSir101 648 105 19ms 19 Jul 2022 693rd tmanternach 648 105 22ms 24 Nov 2022 693rd weber-hge 648 105 15ms 13 Jun 2023 693rd Eugen-str 648 105 20ms 24 Oct 2023 697th ms-tingliang 642 106 16ms 5 Aug 2022 697th achilleasr 642 106 19ms 7 Nov 2022 697th OleBrumm 642 106 19ms 8 Jan 2023 697th AbhilashaTandon 642 106 23ms 19 Sep 2023 697th sheeperino 🇮🇹 642 106 22ms 11 Oct 2024 702nd phpboyscout 636 107 15ms 18 May 2023 702nd DrPrettyman 636 107 17ms 5 Jul 2023 702nd joseph-w0ng 636 107 19ms 5 Jul 2024 702nd EnisEfe0 636 107 21ms 18 May 2025 706th landyrisbad 630 108 21ms 13 Nov 2022 706th cakular 630 108 25ms 17 May 2024 706th glassala 630 108 15ms 25 Oct 2024 709th tjefferson401 624 109 32ms 16 Sep 2022 709th ariesmarinus 624 109 16ms 21 Nov 2024 711th profJGermain 618 110 19ms 7 Feb 2024 711th JMMMMC 618 110 20ms 23 Oct 2024 711th jtb0362 618 110 21ms 10 May 2025 714th MinecraftFan69420 613 111 21ms 4 days ago 715th sagnik3 607 112 20ms 8 Aug 2022 715th craftablescience 607 112 20ms 19 Sep 2023 717th kelseychristensen 602 113 20ms 2 Nov 2022 717th ArmsTheLimited 602 113 16ms 1 Jun 2023 719th HunterC14 596 114 26ms 18 Oct 2024 720th jstechman 591 115 23ms 24 Feb 2024 720th dan422442 591 115 21ms 19 Oct 2024 722nd keelanfh 586 116 18ms 20 Dec 2023 722nd returnitynet 586 116 16ms 27 Jan 2025 722nd EthanPatel01000101 586 116 17ms 4 days ago 725th gioto64 581 117 26ms 8 Dec 2022 725th WilfredSalmon 581 117 17ms 21 Oct 2023 727th XianchengZ 576 118 20ms 18 Aug 2023 727th brindak2005 576 118 18ms 2 May 2025 729th jmmographer 557 122 26ms 21 Oct 2023 729th RucatJ 557 122 18ms 8 Aug 2025 731st xbxbxb007 553 123 22ms 10 Jan 2024 732nd kevinnaviapaiva 527 129 27ms 20 Feb 2025 733rd AdrianN001 523 130 17ms 6 Aug 2023 734th wyatt-the-hump 519 131 17ms 24 Dec 2022 734th hotmanga 519 131 13ms 20 Oct 2023 734th Jordynar02 519 131 24ms 3 May 2025 737th Zach10za 511 133 22ms 23 Jan 2024 738th vtilde 507 134 18ms 8 Jan 2024 739th fig-apple 504 135 12ms 24 Jun 2023 740th S-Ruban 496 137 14ms 25 Feb 2023 741st FLOKI0421 489 139 17ms 4 May 2025 741st noahdorsch 489 139 20ms 5 May 2025 743rd bartsowka2000 456 149 20ms 10 Jul 2023 744th KapelMeister 453 150 14ms 5 Sep 2025 745th sa1640 442 154 15ms 28 Apr 2025 746th arinhyther 439 155 19ms 24 Dec 2022 747th SebbeCaliban 433 157 19ms 11 Apr 2023 748th codefeld 393 173 18ms 5 Mar 2023 749th fl3ur1nestimable 382 178 21ms 24 Oct 2022 750th Siyasia 360 189 18ms 22 Apr 2025 First Prev 676–750 of 792 Next Last
