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 tjefferson401 624 109 16 Sep 2022 676th ariesmarinus 624 109 21 Nov 2024 678th profJGermain 618 110 7 Feb 2024 678th JMMMMC 618 110 23 Oct 2024 678th jtb0362 618 110 10 May 2025 678th davidludwik2370 618 110 9 days ago 682nd sagnik3 607 112 8 Aug 2022 682nd craftablescience 607 112 19 Sep 2023 684th kelseychristensen 602 113 2 Nov 2022 684th ArmsTheLimited 602 113 1 Jun 2023 686th HunterC14 596 114 18 Oct 2024 687th jstechman 591 115 24 Feb 2024 687th dan422442 591 115 19 Oct 2024 689th keelanfh 586 116 20 Dec 2023 689th returnitynet 586 116 27 Jan 2025 691st gioto64 581 117 8 Dec 2022 691st WilfredSalmon 581 117 21 Oct 2023 693rd XianchengZ 576 118 18 Aug 2023 693rd brindak2005 576 118 2 May 2025 695th jmmographer 557 122 21 Oct 2023 695th RucatJ 557 122 45 mins ago 697th xbxbxb007 553 123 10 Jan 2024 698th kevinnaviapaiva 527 129 20 Feb 2025 699th AdrianN001 523 130 6 Aug 2023 700th wyatt-the-hump 519 131 24 Dec 2022 700th hotmanga 519 131 20 Oct 2023 700th Jordynar02 519 131 3 May 2025 703rd Zach10za 511 133 23 Jan 2024 704th vtilde 507 134 8 Jan 2024 705th fig-apple 504 135 24 Jun 2023 706th S-Ruban 496 137 25 Feb 2023 707th FLOKI0421 489 139 4 May 2025 707th noahdorsch 489 139 5 May 2025 709th bartsowka2000 456 149 10 Jul 2023 710th sa1640 442 154 28 Apr 2025 711th arinhyther 439 155 24 Dec 2022 712th SebbeCaliban 433 157 11 Apr 2023 713th codefeld 393 173 5 Mar 2023 714th fl3ur1nestimable 382 178 24 Oct 2022 715th Siyasia 360 189 22 Apr 2025 716th kalehika1234 352 193 24 Apr 2025 717th hannahherbig 351 194 30 Mar 2023 718th Upload-and-View 🇺🇦 337 202 13 days ago 719th dahappy1989 332 205 5 Nov 2023 720th sahilshresthaa 330 206 4 May 2025 721st jalbertgordon 329 207 24 Oct 2023 722nd AidanWalter 325 209 3 Jan 2025 723rd sayloren 313 217 5 Mar 2023 723rd AshayP123 313 217 1 May 2025 725th rubenguajardount 302 225 4 May 2025 726th amritm55 298 228 1 Apr 2025 727th clarkatunt19 297 229 3 May 2025 728th jac1107 296 230 4 May 2025 728th rcs0252 296 230 4 May 2025 730th apurbapokharel 291 234 3 Apr 2025 731st wlopez44 281 242 29 Apr 2025 731st sakshiPatel2602 281 242 3 May 2025 733rd Zok030 280 243 1 Apr 2025 733rd Josemnz 280 243 28 Apr 2025 735th tophy6 276 246 1 Apr 2025 735th LyndaS317 276 246 14 Apr 2025 737th letdank 275 247 1 Apr 2025 737th AdamGonzo1254 275 247 3 May 2025 739th shawncrabtree 270 252 5 Jul 2025 740th punkroczombie 268 254 4 May 2025 741st Abulsamad 239 285 5 May 2025 742nd aidnrox 224 303 2 May 2025 743rd OffSecVik 224 304 25 Feb 2023 744th Hailee100 217 314 1 Apr 2025 745th lightediand 🇬🇧 213 319 14 Dec 2022 746th chaamsak 211 322 1 May 2025 747th joshuamkite 207 328 15 Aug 2023 748th 27carig 206 330 2 May 2025 749th steven-purcell 184 370 15 Jan 2024 750th lightgeb 177 384 27 Oct 2023 Prev 676–750 of 759 Next
