ln 2 in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Minesweeper 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 Tower of Hanoi 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 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 Erlang 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 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 Minesweeper 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 Tower of Hanoi 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 601st CaedenHarper 🇨🇦 655 65 1,272ms 27 Sep 2025 602nd 4hg 🇺🇸 650 69 819ms 17 Sep 2023 603rd Coolbeansyeah 648 78 18ms 13 May 2024 603rd codingisgreatbutiamnot 648 78 18ms 29 Jul 2024 603rd piano-miles 648 78 17ms 4 May 2025 603rd Zhenyu-Bo 648 78 17ms 31 Jul 2025 603rd jacekwladzinski 648 78 20ms 4 Oct 2025 608th edsrzf 🇳🇿 648 183 2,335ms 18 Jan 2025 609th Lydxn 🇨🇦 646 176 469ms 6 Aug 2023 610th mousetail 🇳🇱 644 60 1,017ms 24 Oct 2024 611th jared-hughes 643 177 473ms 24 Sep 2025 612th rifatx 642 138 447ms 15 Jul 2024 613th heanyang1 640 60 321ms 29 May 2025 614th eiburns 640 79 17ms 15 Sep 2023 614th Mabeloid 🇳🇴 640 79 18ms 7 Sep 2024 614th Cube14yt 640 79 23ms 19 Nov 2025 617th msbranicky 636 76 405ms 17 Jan 2024 618th prestosilver 🇺🇸 635 154 22ms 15 days ago 619th Natanaelel 🇸🇪 632 38 73ms 3 Aug 2023 620th yuchuehw 632 80 18ms 16 May 2024 620th RaBa21 🇭🇺 632 80 73ms 18 Jul 2025 622nd h3ra993huskp 🇯🇵 632 180 504ms 18 days ago 623rd stefangimmillaro 632 191 296ms 23 Oct 2023 624th inventshah 631 155 11ms 1 Aug 2023 625th primo-ppcg 🇹🇭 629 181 534ms 2 Aug 2023 626th AlephSquirrel 628 202 117ms 3 Aug 2023 627th Alex-x90 🇺🇸 627 156 7ms 24 May 2024 628th jstechman 624 81 74ms 25 Feb 2024 628th robin-scragg 624 81 476ms 28 Sep 2025 630th janbehrens 🇩🇪 622 178 58ms 4 Aug 2023 631st jared-hughes 619 59 102ms 1 Aug 2023 632nd xsot 🇸🇬 619 133 463ms 2 Aug 2023 633rd janbehrens 🇩🇪 619 158 7ms 4 Aug 2023 634th Stockoh 🇫🇷 616 82 19ms 19 Jun 2024 634th wuzekai518 616 82 2,660ms 21 Jun 2024 636th Alex-x90 🇺🇸 616 180 77ms 1 Aug 2023 637th NickTheEASDude 🇺🇸 614 63 575ms 8 Aug 2024 638th stefangimmillaro 613 153 53ms 26 Apr 2025 639th Mabeloid 🇳🇴 611 79 541ms 17 Sep 2024 640th roupiq 🇵🇱 609 83 672ms 18 Apr 2024 640th JonahEMorgan 609 83 18ms 10 Nov 2024 642nd MeWhenI 🇻🇦 609 182 76ms 1 Aug 2023 643rd aksyristos 608 60 121ms 1 Aug 2023 644th SirBogman 🇺🇸 607 385 420ms 1 Aug 2023 645th SirBogman 🇺🇸 602 156 52ms 3 Jun 2025 646th MeWhenI 🇻🇦 597 235 1,689ms 7 Nov 2025 647th MeWhenI 🇻🇦 596 164 7ms 1 Aug 2023 648th OllyTDev 594 85 19ms 22 Aug 2023 648th NickTheEASDude 🇺🇸 594 85 109ms 20 Aug 2024 650th AlephSquirrel 589 57 15ms 21 Jan 2025 651st Thinkr1 589 62 86ms 18 Nov 2025 652nd CatsAreFluffy 587 86 43ms 2 Jan 2024 652nd rustykitty 🇺🇸 587 86 18ms 31 Oct 2025 654th jacobly0 🇺🇸 584 169 3,789ms 3 Sep 2023 655th davbass 🇮🇹 582 66 245ms 25 Aug 2023 656th madex 🇩🇪 582 168 12ms 21 Feb 2024 657th kmathis22 580 196 475ms 12 days ago 658th RobertHoeh 574 88 207ms 16 May 2024 659th MeWhenI 🇻🇦 572 164 47ms 29 Apr 2025 660th namelessiw 572 199 467ms 15 Nov 2025 661st dokutan 570 64 89ms 4 Oct 2024 662nd Zekaroni 568 89 17ms 29 Aug 2023 662nd CatsAreFluffy 568 89 185ms 2 Jan 2024 662nd Aquateraneal 568 89 18ms 5 Nov 2025 665th MeWhenI 🇻🇦 565 172 399ms 15 Oct 2023 666th Yewzir 🇧🇪 564 244 268ms 3 Jan 2024 667th didion0 🇺🇸 561 90 11ms 24 Feb 2025 667th CaedenHarper 🇨🇦 561 90 172ms 6 Sep 2025 669th MeWhenI 🇻🇦 560 69 40ms 1 Aug 2023 670th Mabeloid 🇳🇴 557 235 136ms 26 Oct 2025 671st MeWhenI 🇻🇦 556 224 6ms 12 Jan 2025 672nd dokutan 555 248 271ms 6 Jan 2024 673rd edsrzf 🇳🇿 553 66 119ms 25 Nov 2024 674th adamnielson42 🇺🇸 552 70 547ms 17 Nov 2023 675th DialFrost 🇸🇬 552 177 5ms 11 Nov 2024 First Prev 601–675 of 1,715 Next Last