The Hilbert Curve hole will go live in approximately 2 days. Why not try and solve it ahead of time?
ln 2 in all languages in chars. 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 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 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 Chars Time 601st MeWhenI 🇻🇦 583 172 15 Oct 2023 602nd davbass 🇮🇹 582 66 25 Aug 2023 603rd madex 🇩🇪 581 168 21 Feb 2024 604th RobertHoeh 573 88 16 May 2024 605th MeWhenI 🇻🇦 572 164 29 Apr 2025 606th Schmitt-Very-Cool 572 271 11 Nov 2023 607th dokutan 570 64 4 Oct 2024 608th Zekaroni 567 89 29 Aug 2023 608th CatsAreFluffy 567 89 2 Jan 2024 610th Yewzir 🇧🇪 563 244 3 Jan 2024 611th MeWhenI 🇻🇦 560 69 1 Aug 2023 612th didion0 🇺🇸 559 90 24 Feb 2025 613th dokutan 557 278 30 Jan 2024 614th MeWhenI 🇻🇦 556 224 12 Jan 2025 615th dokutan 554 248 6 Jan 2024 616th edsrzf 🇳🇿 553 66 25 Nov 2024 617th adamnielson42 🇺🇸 552 70 17 Nov 2023 618th DialFrost 🇸🇬 552 177 11 Nov 2024 619th dokutan 552 237 11 Jan 2024 620th dokutan 551 240 1 Jul 2025 621st roguh 🇬🇹 543 93 9 Jan 2024 622nd CatsAreFluffy 542 89 15 Jan 2024 623rd albanian-laundromat 541 205 25 Jun 2025 624th KaustubhDighe 537 94 3 Nov 2023 625th MeWhenI 🇻🇦 533 208 1 Aug 2023 625th m-tkach 🇺🇦 533 208 1 Aug 2023 625th dokutan 533 208 27 Mar 2024 628th elgan65536 532 246 11 Nov 2023 629th alexeldridge 526 96 27 Aug 2024 630th Yewzir 🇧🇪 515 215 18 Jan 2024 631st dokutan 511 236 23 Jul 2025 632nd janbehrens 🇩🇪 508 165 4 Aug 2023 633rd NoneTheFewer 505 100 17 May 2024 634th inventshah 500 673 1 Aug 2023 635th MeWhenI 🇻🇦 497 263 1 Aug 2023 636th galloj 🇨🇿 491 686 14 Aug 2023 637th SirBogman 🇺🇸 485 98 11 Aug 2023 638th Chinay-Domitrix 🇺🇸 482 137 15 Apr 2025 639th Yewzir 🇧🇪 481 259 19 Dec 2024 640th bac0id 477 325 26 Jun 2024 641st Yewzir 🇧🇪 474 233 10 Nov 2023 642nd MeWhenI 🇻🇦 471 140 2 Dec 2024 643rd janbehrens 🇩🇪 471 188 4 Aug 2023 644th bitsandbeyond 🇳🇱 470 208 16 Nov 2023 645th MeWhenI 🇻🇦 469 179 1 Aug 2023 646th Maximizer02 467 129 19 Apr 2024 647th stefangimmillaro 465 83 1 Aug 2023 648th gigaprofisi 🇺🇸 463 109 2 Mar 2025 649th MeWhenI 🇻🇦 463 214 1 Aug 2023 650th dokutan 460 215 28 Mar 2024 651st dokutan 458 241 19 Aug 2024 652nd emgordon154 456 80 5 Nov 2024 653rd Waffle3z 452 218 12 Sep 2023 654th MeWhenI 🇻🇦 448 195 12 Aug 2024 655th dokutan 448 220 3 Apr 2024 656th celiendonze 🇨🇭 446 113 3 Aug 2023 657th dokutan 444 197 12 Aug 2024 658th WillowWispy 443 114 17 Mar 2025 659th Yewzir 🇧🇪 442 221 23 Dec 2023 660th Yewzir 🇧🇪 436 227 10 Nov 2023 661st dokutan 430 227 1 May 2024 662nd typeswitch-dev 🇵🇹 428 296 1 Aug 2023 663rd wobblybits 424 119 13 days ago 664th Herbert00709 🇵🇱 421 296 30 Apr 2024 665th amollberg 🇸🇪 417 121 20 Jan 2024 666th lifthrasiir 🇰🇷 411 589 11 Dec 2024 667th koweret 410 123 23 Apr 2024 667th KAKISKA-code 🇫🇮 410 123 27 Jul 2025 669th Herbert00709 🇵🇱 407 162 24 Oct 2024 670th emgordon154 405 216 28 Oct 2024 671st frosster 403 245 13 Mar 2025 672nd gigaprofisi 🇺🇸 393 128 19 Jun 2025 673rd knutae 🇳🇴 388 130 19 Nov 2023 674th alfonsoalves 382 132 29 Feb 2024 675th Mikey-Beep 🇬🇧 379 133 24 Aug 2023 Prev 601–675 of 1,608 Next