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 675th fraserli 🇦🇺 673 101 2 May 2023 675th FCORMERAIS 673 101 6 Mar 2024 675th yhm138 673 101 16 Feb 2025 679th PogLop 🇨🇿 667 102 31 Oct 2022 679th AndersH3 🇸🇪 667 102 17 May 2023 679th JulieGermainUNT 667 102 2 Apr 2025 682nd enbyte 660 103 20 Dec 2022 682nd rajlath 660 103 7 Jan 2023 682nd mnurzia 660 103 12 Oct 2023 682nd sqrteipi 660 103 2 Apr 2024 682nd calum12345 660 103 26 Mar 2025 682nd SectorCorruptor 660 103 14 Aug 2025 688th winigo3 654 104 8 Aug 2022 688th zt14427 654 104 30 Apr 2023 688th IoLimmer 654 104 24 Jul 2024 691st LordSir101 648 105 19 Jul 2022 691st tmanternach 648 105 24 Nov 2022 691st weber-hge 648 105 13 Jun 2023 691st Eugen-str 648 105 24 Oct 2023 695th ms-tingliang 642 106 5 Aug 2022 695th achilleasr 642 106 7 Nov 2022 695th OleBrumm 642 106 8 Jan 2023 695th AbhilashaTandon 642 106 19 Sep 2023 695th sheeperino 🇮🇹 642 106 11 Oct 2024 700th phpboyscout 636 107 18 May 2023 700th DrPrettyman 636 107 5 Jul 2023 700th joseph-w0ng 636 107 5 Jul 2024 700th EnisEfe0 636 107 18 May 2025 704th landyrisbad 630 108 13 Nov 2022 704th cakular 630 108 17 May 2024 704th glassala 630 108 25 Oct 2024 707th tjefferson401 624 109 16 Sep 2022 707th ariesmarinus 624 109 21 Nov 2024 709th profJGermain 618 110 7 Feb 2024 709th JMMMMC 618 110 23 Oct 2024 709th jtb0362 618 110 10 May 2025 712th sagnik3 607 112 8 Aug 2022 712th craftablescience 607 112 19 Sep 2023 714th kelseychristensen 602 113 2 Nov 2022 714th ArmsTheLimited 602 113 1 Jun 2023 716th HunterC14 596 114 18 Oct 2024 717th jstechman 591 115 24 Feb 2024 717th dan422442 591 115 19 Oct 2024 719th keelanfh 586 116 20 Dec 2023 719th returnitynet 586 116 27 Jan 2025 721st gioto64 581 117 8 Dec 2022 721st WilfredSalmon 581 117 21 Oct 2023 723rd XianchengZ 576 118 18 Aug 2023 723rd brindak2005 576 118 2 May 2025 725th jmmographer 557 122 21 Oct 2023 725th RucatJ 557 122 8 Aug 2025 727th xbxbxb007 553 123 10 Jan 2024 728th kevinnaviapaiva 527 129 20 Feb 2025 729th AdrianN001 523 130 6 Aug 2023 730th wyatt-the-hump 519 131 24 Dec 2022 730th hotmanga 519 131 20 Oct 2023 730th Jordynar02 519 131 3 May 2025 733rd Zach10za 511 133 23 Jan 2024 734th vtilde 507 134 8 Jan 2024 735th fig-apple 504 135 24 Jun 2023 736th S-Ruban 496 137 25 Feb 2023 737th FLOKI0421 489 139 4 May 2025 737th noahdorsch 489 139 5 May 2025 739th bartsowka2000 456 149 10 Jul 2023 740th KapelMeister 453 150 5 Sep 2025 741st sa1640 442 154 28 Apr 2025 742nd arinhyther 439 155 24 Dec 2022 743rd SebbeCaliban 433 157 11 Apr 2023 744th codefeld 393 173 5 Mar 2023 745th fl3ur1nestimable 382 178 24 Oct 2022 746th Siyasia 360 189 22 Apr 2025 747th kalehika1234 352 193 24 Apr 2025 748th hannahherbig 351 194 30 Mar 2023 749th dahappy1989 332 205 5 Nov 2023 750th sahilshresthaa 330 206 4 May 2025 First Prev 676–750 of 788 Next Last
