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Roman to Arabic in all languages in bytes. 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 748th adamnielson42 🇺🇸 642 148 19ms 8 Aug 2023 748th jtaxen 642 148 20ms 28 Apr 2024 748th o0BlackDragon0o 642 148 25ms 8 Sep 2024 748th Bombalech 642 148 28ms 8 Sep 2024 748th wh3n3v3r 🇨🇿 642 148 19ms 8 Nov 2024 756th jared-hughes 641 141 14ms 16 Apr 2022 757th CaedenHarper 🇨🇦 639 97 138ms 18 Aug 2025 758th unfinishedprogram 639 119 12ms 12 Jul 2024 758th Lv0Sys 🇵🇱 639 119 15ms 6 hours ago 760th olligobber 🇦🇺 639 175 379ms 21 May 2020 761st pzagrebin 636 97 57ms 25 Aug 2022 762nd dokutan 636 142 16ms 29 Mar 2025 763rd janbehrens 🇩🇪 636 161 349ms 16 May 2023 764th thisishowmymindworks 🇳🇴 634 120 13ms 5 Oct 2020 764th PatrickStephansen 🇿🇦 634 120 29ms 9 Jun 2021 764th stefangabos 🇷🇴 634 120 14ms 13 Sep 2022 767th sambirnbaum1 634 150 19ms 6 Sep 2019 767th MaxElf999 634 150 27ms 20 Oct 2022 767th nstearns96 🇬🇧 634 150 27ms 8 Dec 2022 767th Florian-Mt 634 150 19ms 14 Nov 2023 771st Yewzir 🇧🇪 632 134 4ms 10 Jun 2024 772nd Jiramide 632 177 298ms 8 Feb 2021 773rd MeWhenI 🇻🇦 631 103 911ms 15 Sep 2025 774th albanian-laundromat 630 125 633ms 9 Aug 2025 775th MarcMush 🇫🇷 629 98 888ms 11 Jan 2024 776th dokutan 629 128 147ms 6 Jun 2025 777th ian-h-chamberlain 🇺🇸 629 151 19ms 17 Dec 2019 777th qwjhvbxi 629 151 20ms 7 Feb 2024 779th jared-hughes 626 92 52ms 20 Sep 2022 780th Natanaelel 🇸🇪 625 71 53ms 16 Nov 2021 780th DialFrost 🇸🇬 625 71 44ms 31 Jan 2024 780th 4hg 🇺🇸 625 71 46ms 19 Jun 2024 783rd galloj 🇨🇿 625 152 19ms 10 Jan 2023 783rd Artemis21 🇬🇧 625 152 19ms 2 Jan 2025 785th YAJUE114514 625 179 289ms 3 Aug 2025 786th JOrE20 🇺🇸 623 122 14ms 21 days ago 787th myfatemi04 621 153 22ms 10 Jan 2018 787th jhpaques 🇫🇷 621 153 19ms 28 Jul 2022 789th sebipopa 🇷🇴 618 123 14ms 14 Sep 2022 789th xyangst 618 123 15ms 4 Oct 2024 791st SirBogman 🇺🇸 617 94 30ms 5 Oct 2020 792nd RDShah 617 154 25ms 31 Jan 2020 792nd dzshn 617 154 17ms 9 Jun 2021 792nd bbakersmith 617 154 30ms 28 Jun 2022 792nd aksyristos 617 154 20ms 8 Mar 2023 792nd tobyLovick 617 154 20ms 7 Dec 2023 792nd chartung17 617 154 24ms 14 Jan 2024 792nd EnTerr 617 154 18ms 25 Aug 2024 792nd Pyroan 617 154 31ms 25 days ago 800th retrohun 616 111 17ms 21 Sep 2024 801st snoozingnewt 🇺🇸 615 128 474ms 8 days ago 802nd Shanethegamer 🇺🇸 615 130 27ms 4 Oct 2024 803rd CaedenHarper 🇨🇦 614 131 361ms 17 Aug 2025 804th filharmonista 614 138 4ms 13 Mar 2020 804th TeodorDyakov 🇧🇬 614 138 4ms 3 Jul 2025 806th hiddicop 🇸🇪 613 94 66ms 1 Feb 2021 807th neihousaigaai 613 124 14ms 28 Apr 2021 807th Andrey-Plotnikov 613 124 13ms 9 Aug 2025 809th dzhang314 613 155 20ms 14 Aug 2019 809th za3k 613 155 19ms 11 Oct 2022 809th r-benson 🇬🇧 613 155 25ms 1 Feb 2023 809th Hortaros 613 155 19ms 14 Apr 2023 809th HumanoidCPU 613 155 19ms 7 Jun 2024 814th dokutan 610 132 337ms 7 Apr 2025 815th G33kDude 609 156 20ms 20 Mar 2019 815th cellobix 609 156 19ms 15 Aug 2019 815th mokymok 🇺🇸 609 156 19ms 11 Oct 2021 815th BREMAUCY 🇫🇷 609 156 26ms 2 Jan 2024 815th hiichbindermax 609 156 20ms 15 Sep 2024 815th M4rc0g1 609 156 21ms 7 days ago 821st dsntzn 🇸🇰 608 125 16ms 1 Mar 2021 821st smclaughlin-cf 608 125 16ms 8 Apr 2025 823rd cure-honey 🇯🇵 608 200 55ms 26 Apr 2020 824th MeWhenI 🇻🇦 607 105 33ms 12 Nov 2022 825th Phil-RGOMEGA 606 149 7ms 30 Aug 2023 First Prev 751–825 of 1,443 Next Last