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 600th codingisgreatbutiamnot 648 78 18ms 29 Jul 2024 600th piano-miles 648 78 17ms 4 May 2025 600th Zhenyu-Bo 648 78 17ms 31 Jul 2025 600th jacekwladzinski 648 78 20ms 4 Oct 2025 605th edsrzf 🇳🇿 648 183 2,335ms 18 Jan 2025 606th Lydxn 🇨🇦 646 176 469ms 6 Aug 2023 607th mousetail 🇳🇱 644 60 1,017ms 24 Oct 2024 608th jared-hughes 643 177 473ms 24 Sep 2025 609th rifatx 642 138 447ms 15 Jul 2024 610th heanyang1 640 60 213ms 29 May 2025 611th eiburns 640 79 17ms 15 Sep 2023 611th Mabeloid 🇳🇴 640 79 18ms 7 Sep 2024 611th Cube14yt 640 79 23ms 24 days ago 614th msbranicky 635 76 405ms 17 Jan 2024 615th prestosilver 🇺🇸 635 154 22ms 10 days ago 616th Natanaelel 🇸🇪 632 38 64ms 3 Aug 2023 617th yuchuehw 632 80 18ms 16 May 2024 617th RaBa21 🇭🇺 632 80 73ms 18 Jul 2025 619th h3ra993huskp 🇯🇵 632 180 504ms 13 days ago 620th stefangimmillaro 632 191 296ms 23 Oct 2023 621st inventshah 631 155 11ms 1 Aug 2023 622nd primo-ppcg 🇹🇭 629 181 534ms 2 Aug 2023 623rd AlephSquirrel 628 202 117ms 3 Aug 2023 624th Alex-x90 🇺🇸 627 156 7ms 24 May 2024 625th jstechman 624 81 74ms 25 Feb 2024 625th robin-scragg 624 81 476ms 28 Sep 2025 627th janbehrens 🇩🇪 622 178 61ms 4 Aug 2023 628th jared-hughes 619 59 84ms 1 Aug 2023 629th xsot 🇸🇬 619 133 463ms 2 Aug 2023 630th janbehrens 🇩🇪 619 158 7ms 4 Aug 2023 631st Stockoh 🇫🇷 616 82 19ms 19 Jun 2024 631st wuzekai518 616 82 2,660ms 21 Jun 2024 633rd Alex-x90 🇺🇸 616 180 67ms 1 Aug 2023 634th NickTheEASDude 🇺🇸 614 63 575ms 8 Aug 2024 635th stefangimmillaro 613 153 53ms 26 Apr 2025 636th Mabeloid 🇳🇴 611 79 541ms 17 Sep 2024 637th roupiq 🇵🇱 609 83 672ms 18 Apr 2024 637th JonahEMorgan 609 83 18ms 10 Nov 2024 639th MeWhenI 🇻🇦 609 182 65ms 1 Aug 2023 640th aksyristos 608 60 82ms 1 Aug 2023 641st SirBogman 🇺🇸 607 385 420ms 1 Aug 2023 642nd SirBogman 🇺🇸 602 156 52ms 3 Jun 2025 643rd MeWhenI 🇻🇦 596 164 7ms 1 Aug 2023 644th MeWhenI 🇻🇦 595 235 1,689ms 7 Nov 2025 645th OllyTDev 594 85 19ms 22 Aug 2023 645th NickTheEASDude 🇺🇸 594 85 109ms 20 Aug 2024 647th AlephSquirrel 589 57 15ms 21 Jan 2025 648th Thinkr1 589 62 85ms 24 days ago 649th CatsAreFluffy 587 86 43ms 2 Jan 2024 649th rustykitty 🇺🇸 587 86 18ms 31 Oct 2025 651st jacobly0 🇺🇸 584 169 3,789ms 3 Sep 2023 652nd davbass 🇮🇹 582 66 198ms 25 Aug 2023 653rd madex 🇩🇪 582 168 12ms 21 Feb 2024 654th kmathis22 580 196 475ms 7 days ago 655th RobertHoeh 574 88 207ms 16 May 2024 656th MeWhenI 🇻🇦 572 164 47ms 29 Apr 2025 657th namelessiw 572 199 467ms 27 days ago 658th dokutan 570 64 87ms 4 Oct 2024 659th Zekaroni 568 89 17ms 29 Aug 2023 659th CatsAreFluffy 568 89 185ms 2 Jan 2024 659th Aquateraneal 568 89 18ms 5 Nov 2025 662nd MeWhenI 🇻🇦 565 172 399ms 15 Oct 2023 663rd Yewzir 🇧🇪 564 244 268ms 3 Jan 2024 664th didion0 🇺🇸 561 90 11ms 24 Feb 2025 664th CaedenHarper 🇨🇦 561 90 172ms 6 Sep 2025 666th MeWhenI 🇻🇦 560 69 40ms 1 Aug 2023 667th Mabeloid 🇳🇴 557 235 136ms 26 Oct 2025 668th MeWhenI 🇻🇦 556 224 6ms 12 Jan 2025 669th dokutan 555 248 271ms 6 Jan 2024 670th edsrzf 🇳🇿 553 66 86ms 25 Nov 2024 671st adamnielson42 🇺🇸 552 70 547ms 17 Nov 2023 672nd DialFrost 🇸🇬 552 177 5ms 11 Nov 2024 673rd dokutan 552 237 120ms 11 Jan 2024 674th dokutan 551 240 205ms 1 Jul 2025 675th roguh 🇬🇹 543 93 17ms 9 Jan 2024 First Prev 601–675 of 1,712 Next Last