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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 ><> ALGOL 68 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 641st msbranicky 636 76 439ms 17 Jan 2024 641st Andrey2001 636 76 420ms 28 Jan 2026 643rd prestosilver 🇺🇸 635 154 22ms 2 Dec 2025 644th stefangimmillaro 634 191 302ms 23 Oct 2023 645th h3ra993huskp 🇯🇵 633 180 607ms 30 Nov 2025 646th Natanaelel 🇸🇪 632 38 57ms 3 Aug 2023 647th yuchuehw 632 80 17ms 16 May 2024 647th RaBa21 🇭🇺 632 80 74ms 18 Jul 2025 649th inventshah 631 155 11ms 1 Aug 2023 650th dokutan 630 58 60ms 26 Dec 2025 651st primo-ppcg 🇹🇭 629 181 485ms 2 Aug 2023 652nd AlephSquirrel 629 202 117ms 3 Aug 2023 653rd Alex-x90 🇺🇸 627 156 7ms 24 May 2024 654th jstechman 624 81 69ms 25 Feb 2024 654th robin-scragg 624 81 468ms 28 Sep 2025 656th janbehrens 🇩🇪 623 178 69ms 4 Aug 2023 657th xsot 🇸🇬 620 133 421ms 2 Aug 2023 658th jared-hughes 619 59 44ms 25 Dec 2025 659th janbehrens 🇩🇪 619 158 7ms 4 Aug 2023 660th Stockoh 🇫🇷 616 82 19ms 19 Jun 2024 660th wuzekai518 616 82 2,315ms 21 Jun 2024 662nd Alex-x90 🇺🇸 616 180 72ms 1 Aug 2023 663rd stefangimmillaro 615 153 51ms 26 Apr 2025 664th NickTheEASDude 🇺🇸 614 63 554ms 8 Aug 2024 665th Mabeloid 🇳🇴 612 79 477ms 17 Sep 2024 666th aksyristos 609 60 50ms 27 Dec 2025 667th roupiq 🇵🇱 609 83 675ms 18 Apr 2024 667th JonahEMorgan 609 83 19ms 10 Nov 2024 669th MeWhenI 🇻🇦 609 182 75ms 1 Aug 2023 670th SirBogman 🇺🇸 607 385 392ms 1 Aug 2023 671st SirBogman 🇺🇸 603 156 52ms 3 Jun 2025 672nd 2bular 602 47 97ms 25 days ago 673rd MeWhenI 🇻🇦 597 164 7ms 1 Aug 2023 674th OllyTDev 595 85 17ms 22 Aug 2023 674th NickTheEASDude 🇺🇸 595 85 110ms 20 Aug 2024 676th AlephSquirrel 589 57 15ms 21 Jan 2025 677th Thinkr1 589 62 43ms 18 Nov 2025 677th KatieLG 🇬🇧 589 62 44ms 3 Feb 2026 679th rustykitty 🇺🇸 588 86 18ms 31 Oct 2025 680th CatsAreFluffy 587 86 45ms 2 Jan 2024 681st MeWhenI 🇻🇦 587 235 1,689ms 7 Nov 2025 682nd madex 🇩🇪 583 168 12ms 21 Feb 2024 683rd davbass 🇮🇹 582 66 213ms 25 Aug 2023 684th Chinay-Domitrix 🇺🇸 581 114 2,420ms 12 days ago 685th kmathis22 581 196 507ms 6 Dec 2025 686th edsrzf 🇳🇿 580 63 48ms 25 Dec 2025 687th RobertHoeh 574 88 208ms 16 May 2024 688th MeWhenI 🇻🇦 574 164 47ms 29 Apr 2025 689th namelessiw 572 199 548ms 15 Nov 2025 690th Zekaroni 568 89 18ms 29 Aug 2023 690th CatsAreFluffy 568 89 190ms 2 Jan 2024 692nd Yewzir 🇧🇪 565 244 297ms 3 Jan 2024 693rd didion0 🇺🇸 561 90 13ms 24 Feb 2025 693rd CaedenHarper 🇨🇦 561 90 191ms 6 Sep 2025 695th MeWhenI 🇻🇦 560 69 39ms 1 Aug 2023 696th MeWhenI 🇻🇦 558 172 404ms 15 Oct 2023 697th Mabeloid 🇳🇴 558 235 126ms 26 Oct 2025 698th MeWhenI 🇻🇦 557 224 6ms 12 Jan 2025 699th dokutan 556 248 285ms 6 Jan 2024 700th dokutan 554 237 123ms 11 Jan 2024 701st dokutan 554 240 235ms 1 Jul 2025 702nd DialFrost 🇸🇬 553 177 5ms 11 Nov 2024 703rd adamnielson42 🇺🇸 552 70 539ms 17 Nov 2023 704th CatsAreFluffy 543 89 594ms 15 Jan 2024 705th roguh 🇬🇹 543 93 17ms 9 Jan 2024 706th albanian-laundromat 542 205 2ms 25 Jun 2025 707th KaustubhDighe 538 94 17ms 3 Nov 2023 708th CaedenHarper 🇨🇦 538 165 1,011ms 19 Oct 2025 709th elgan65536 🇺🇸 536 245 119ms 7 Feb 2026 710th MeWhenI 🇻🇦 534 208 2ms 1 Aug 2023 710th m-tkach 🇺🇦 534 208 2ms 1 Aug 2023 710th dokutan 534 208 2ms 27 Mar 2024 713th alexeldridge 526 96 144ms 27 Aug 2024 714th CaedenHarper 🇨🇦 519 266 307ms 4 Nov 2025 715th Yewzir 🇧🇪 517 215 2ms 18 Jan 2024 716th Schmitt-Very-Cool 515 221 878ms 1 Oct 2025 717th dokutan 513 236 96ms 23 Jul 2025 718th NoneTheFewer 511 99 19ms 9 Dec 2025 719th janbehrens 🇩🇪 504 165 3,388ms 4 Aug 2023 720th inventshah 501 673 16ms 1 Aug 2023 First Prev 641–720 of 1,814 Next Last