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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 676th CaedenHarper 🇨🇦 688 117 145ms 17 Aug 2025 677th CaedenHarper 🇨🇦 688 136 11ms 22 Aug 2025 678th Stockoh 🇫🇷 684 139 42ms 27 Feb 2024 678th zhaohm14 684 139 19ms 10 Jun 2025 680th AlephSquirrel 683 55 4ms 21 days ago 681st MeWhenI 🇻🇦 680 147 52ms 17 Feb 2023 682nd MahlerFive 🇨🇦 680 186 299ms 24 Apr 2020 683rd mintypython 679 112 14ms 16 Oct 2018 683rd saramaebee 679 112 14ms 18 Oct 2018 683rd igmcdowell 679 112 15ms 4 Jan 2022 686th Jiramide 679 133 14ms 7 Feb 2021 687th kevinmchung 679 140 28ms 3 Apr 2018 688th commandblockguy 🇺🇸 678 116 477ms 1 Sep 2025 689th KasperKivimaeki 🇫🇮 678 137 387ms 22 days ago 690th ReidZ3 🇺🇸 678 165 441ms 13 Dec 2020 691st rifatx 674 141 28ms 16 Mar 2023 691st quimey 674 141 20ms 20 Jul 2023 693rd KatieLG 🇬🇧 673 71 63ms 27 Nov 2023 694th vmcnabb 🇳🇿 673 113 13ms 6 May 2021 694th targrik 673 113 13ms 24 Feb 2025 696th sean-niemann 🇺🇸 673 153 58ms 11 Jul 2024 697th MichalMarsalek 🇨🇿 672 135 344ms 30 Aug 2022 698th Natanaelel 🇸🇪 670 167 404ms 10 May 2025 699th MeWhenI 🇻🇦 670 271 150ms 29 Nov 2023 700th lionbryce 669 135 12ms 8 Aug 2024 701st Haksell 🇦🇶 669 142 19ms 13 Jun 2020 701st btjones0 669 142 21ms 16 Jul 2022 701st Fishron 669 142 22ms 19 Sep 2022 701st jatloe 669 142 19ms 6 Sep 2024 705th dokutan 668 134 32ms 22 Jun 2024 706th dokutan 668 138 148ms 16 days ago 707th SirBogman 🇺🇸 668 182 61ms 17 Apr 2022 708th NewDefectus 🇮🇱 667 87 21ms 16 Oct 2021 708th Natanaelel 🇸🇪 667 87 11ms 16 Nov 2021 708th scpchicken 🇵🇼 667 87 20ms 24 Nov 2022 711th alexkunin 667 114 12ms 7 Jul 2019 712th janbehrens 🇩🇪 665 121 356ms 16 May 2023 713th Brianzhengca 665 143 20ms 5 Feb 2021 713th TobyBoyne 🇬🇧 665 143 19ms 14 Apr 2022 715th Shanethegamer 🇺🇸 662 128 7ms 13 Jun 2022 716th varhammer 🇷🇺 661 121 211ms 13 Dec 2023 717th celiendonze 🇨🇭 660 144 19ms 14 Apr 2023 717th Bulmenisaurus 660 144 19ms 1 Jul 2024 717th emgordon154 660 144 17ms 23 Sep 2024 720th MeWhenI 🇻🇦 658 193 37ms 6 Jun 2023 721st CatsAreFluffy 656 94 52ms 4 Feb 2023 722nd BBoehm 🇩🇪 655 116 12ms 21 Dec 2020 723rd CaedenHarper 🇨🇦 655 142 213ms 18 Aug 2025 724th lmolteno 655 145 27ms 3 Mar 2021 724th guilhem-roy 🇫🇷 655 145 20ms 7 Mar 2022 724th jakobkordez 🇸🇮 655 145 19ms 31 Oct 2022 724th frankgraziano 655 145 19ms 24 Apr 2025 724th TheZwierzLF 🇵🇱 655 145 18ms 21 May 2025 729th Yewzir 🇧🇪 654 123 397ms 10 Jun 2024 730th orthoplex 🇨🇽 653 68 48ms 9 Oct 2020 731st villfa 651 121 15ms 2 Nov 2018 732nd elgan65536 651 146 19ms 31 Mar 2024 732nd InigoK 🇺🇸 651 146 22ms 26 Aug 2025 734th snyderek 🇺🇸 651 158 56ms 9 Nov 2024 735th hyvyys 650 117 14ms 19 Sep 2020 735th aksyristos 650 117 15ms 2 Nov 2022 737th 386asm 🇺🇸 649 154 52ms 5 May 2023 738th mrondon8 648 158 357ms 5 Sep 2021 739th MeWhenI 🇻🇦 647 58 6ms 16 Jan 2022 740th jupj 🇫🇮 647 131 4ms 27 Aug 2022 741st clementblaudeau 646 147 18ms 7 Jun 2021 741st StefanHabel 🇨🇦 646 147 19ms 31 Dec 2022 741st yuchuehw 646 147 21ms 3 Jan 2024 744th RockOfStone 645 140 15ms 17 Mar 2024 745th user189032 644 118 13ms 29 May 2019 745th cywong-amino 🇭🇰 644 118 33ms 7 Oct 2020 745th dokutan 644 118 13ms 18 Apr 2025 748th janbehrens 🇩🇪 643 160 56ms 18 May 2023 749th yokasuretsu 642 148 26ms 21 Apr 2018 749th AgathokakologicalBit 642 148 29ms 3 Aug 2019 First Prev 676–750 of 1,443 Next Last