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 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 Apéry’s Constant Binary Lambda Calculus 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 640th RaBa21 🇭🇺 632 80 74ms 18 Jul 2025 642nd inventshah 631 155 11ms 1 Aug 2023 643rd dokutan 630 58 60ms 26 Dec 2025 644th primo-ppcg 🇹🇭 629 181 485ms 2 Aug 2023 645th AlephSquirrel 629 202 117ms 3 Aug 2023 646th Alex-x90 🇺🇸 627 156 7ms 24 May 2024 647th jstechman 624 81 69ms 25 Feb 2024 647th robin-scragg 624 81 468ms 28 Sep 2025 649th janbehrens 🇩🇪 623 178 58ms 4 Aug 2023 650th xsot 🇸🇬 620 133 433ms 2 Aug 2023 651st jared-hughes 619 59 44ms 25 Dec 2025 652nd janbehrens 🇩🇪 619 158 7ms 4 Aug 2023 653rd Stockoh 🇫🇷 616 82 19ms 19 Jun 2024 653rd wuzekai518 616 82 2,315ms 21 Jun 2024 655th Alex-x90 🇺🇸 616 180 69ms 1 Aug 2023 656th stefangimmillaro 615 153 51ms 26 Apr 2025 657th NickTheEASDude 🇺🇸 614 63 575ms 8 Aug 2024 658th Mabeloid 🇳🇴 612 79 477ms 17 Sep 2024 659th aksyristos 609 60 50ms 27 Dec 2025 660th roupiq 🇵🇱 609 83 675ms 18 Apr 2024 660th JonahEMorgan 609 83 19ms 10 Nov 2024 662nd MeWhenI 🇻🇦 609 182 68ms 1 Aug 2023 663rd SirBogman 🇺🇸 607 385 392ms 1 Aug 2023 664th SirBogman 🇺🇸 603 156 52ms 3 Jun 2025 665th 2bular 602 47 97ms 7 days ago 666th MeWhenI 🇻🇦 597 164 7ms 1 Aug 2023 667th OllyTDev 595 85 17ms 22 Aug 2023 667th NickTheEASDude 🇺🇸 595 85 110ms 20 Aug 2024 669th AlephSquirrel 589 57 15ms 21 Jan 2025 670th Thinkr1 589 62 43ms 18 Nov 2025 670th KatieLG 🇬🇧 589 62 44ms 20 days ago 672nd rustykitty 🇺🇸 588 86 18ms 31 Oct 2025 673rd CatsAreFluffy 587 86 56ms 2 Jan 2024 674th MeWhenI 🇻🇦 587 235 1,689ms 7 Nov 2025 675th madex 🇩🇪 583 168 12ms 21 Feb 2024 676th davbass 🇮🇹 582 66 213ms 25 Aug 2023 677th kmathis22 581 196 507ms 6 Dec 2025 678th edsrzf 🇳🇿 580 63 48ms 25 Dec 2025 679th RobertHoeh 574 88 208ms 16 May 2024 680th MeWhenI 🇻🇦 574 164 47ms 29 Apr 2025 681st namelessiw 572 199 548ms 15 Nov 2025 682nd Zekaroni 568 89 18ms 29 Aug 2023 682nd CatsAreFluffy 568 89 190ms 2 Jan 2024 684th Yewzir 🇧🇪 565 244 282ms 3 Jan 2024 685th didion0 🇺🇸 561 90 12ms 24 Feb 2025 685th CaedenHarper 🇨🇦 561 90 191ms 6 Sep 2025 687th MeWhenI 🇻🇦 560 69 40ms 1 Aug 2023 688th MeWhenI 🇻🇦 558 172 399ms 15 Oct 2023 689th MeWhenI 🇻🇦 557 224 7ms 12 Jan 2025 690th Mabeloid 🇳🇴 557 235 123ms 26 Oct 2025 691st dokutan 556 248 273ms 6 Jan 2024 692nd DialFrost 🇸🇬 553 177 5ms 11 Nov 2024 693rd dokutan 553 237 118ms 11 Jan 2024 694th dokutan 553 240 250ms 1 Jul 2025 695th adamnielson42 🇺🇸 552 70 539ms 17 Nov 2023 696th CatsAreFluffy 543 89 594ms 15 Jan 2024 697th roguh 🇬🇹 543 93 17ms 9 Jan 2024 698th albanian-laundromat 542 205 2ms 25 Jun 2025 699th KaustubhDighe 538 94 17ms 3 Nov 2023 700th CaedenHarper 🇨🇦 538 165 991ms 19 Oct 2025 701st elgan65536 🇺🇸 535 245 114ms 16 days ago 702nd MeWhenI 🇻🇦 534 208 2ms 1 Aug 2023 702nd m-tkach 🇺🇦 534 208 2ms 1 Aug 2023 702nd dokutan 534 208 2ms 27 Mar 2024 705th alexeldridge 526 96 144ms 27 Aug 2024 706th CaedenHarper 🇨🇦 519 266 299ms 4 Nov 2025 707th Yewzir 🇧🇪 517 215 2ms 18 Jan 2024 708th Schmitt-Very-Cool 515 221 878ms 1 Oct 2025 709th dokutan 513 236 88ms 23 Jul 2025 710th NoneTheFewer 510 99 19ms 9 Dec 2025 711th janbehrens 🇩🇪 509 165 3,298ms 4 Aug 2023 712th inventshah 501 673 16ms 1 Aug 2023 713th janbehrens 🇩🇪 499 228 432ms 4 Aug 2023 714th MeWhenI 🇻🇦 498 263 154ms 1 Aug 2023 715th CaedenHarper 🇨🇦 497 229 540ms 10 Oct 2025 716th galloj 🇨🇿 492 686 84ms 14 Aug 2023 717th MeWhenI 🇻🇦 491 87 1,060ms 15 Sep 2025 718th dokutan 487 234 365ms 24 Sep 2025 719th SirBogman 🇺🇸 485 98 480ms 11 Aug 2023 720th Waffle3z 485 218 1ms 12 Sep 2023 First Prev 641–720 of 1,803 Next Last