The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Gray Code Decoder 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 501st albanian-laundromat 🇺🇸 598 98 146ms 23 Feb 2026 502nd dokutan 597 54 48ms 16 days ago 503rd michelebastione 🇮🇹 596 98 443ms 27 days ago 504th Shanethegamer 🇺🇸 593 121 166ms 13 Dec 2024 505th madex 🇩🇪 590 119 1,464ms 28 Mar 2026 506th Solathian 589 46 77ms 26 Mar 2026 507th dokutan 581 72 209ms 16 days ago 508th Mikey-Beep 🇬🇧 568 99 25ms 19 days ago 509th madex 🇩🇪 568 129 426ms 27 Mar 2026 510th prestosilver 🇺🇸 566 105 430ms 26 days ago 511th JOrE20 563 100 46ms 15 Dec 2025 511th tails618 563 100 22ms 14 days ago 513th albanian-laundromat 🇺🇸 557 75 268ms 2 Mar 2026 514th Shanethegamer 🇺🇸 549 146 31ms 9 May 2025 515th dokutan 538 75 825ms 16 days ago 516th JDiLenarda 🇫🇷 536 131 1,562ms 25 Mar 2026 517th Shanethegamer 🇺🇸 523 50 4,043ms 8 May 2025 518th Arkadios200 520 146 2,610ms 17 days ago 519th madex 🇩🇪 514 100 118ms 28 Mar 2026 520th dokutan 513 191 293ms 16 days ago 521st dcc5480 507 111 20ms 12 days ago 522nd madex 🇩🇪 494 53 570ms 27 Mar 2026 523rd HumanoidCPU 487 120 515ms 30 Mar 2026 524th madex 🇩🇪 471 170 33ms 28 Mar 2026 525th denkyuu1 460 70 47ms 20 hours ago 526th Shanethegamer 🇺🇸 458 85 6ms 13 Dec 2024 527th Shanethegamer 🇺🇸 450 107 8ms 9 May 2025 528th AstroOrbis 446 126 32ms 12 Aug 2025 529th Msleizak 🇫🇷 427 84 339ms 30 Mar 2026 530th kasarino 420 170 45ms 15 days ago 531st madex 🇩🇪 418 78 91ms 28 Mar 2026 532nd dokutan 412 163 470ms 16 days ago 533rd dokutan 384 152 448ms 16 days ago 534th muser-logiccpu 🇺🇦 370 88 70ms 2 Sep 2025 535th Ripick 300 198 466ms 18 days ago 536th dokutan 295 192 5ms 7 days ago 537th dokutan 258 233 20ms 7 days ago 538th dokutan 205 371 72ms 16 days ago 539th dokutan 170 371 4ms 16 days ago 540th darrenks 🇺🇸 0 6 45ms 24 Mar 2026 540th 2bular 0 6 45ms 24 Mar 2026 540th Natanaelel 🇸🇪 0 6 46ms 24 Mar 2026 540th plcc0 0 6 46ms 25 Mar 2026 544th kg583 🇺🇸 0 9 940ms 14 May 2025 544th themoonisacheese 0 9 2,893ms 26 days ago 544th someCoder-a11y 0 9 214ms 11 days ago 544th namelessiw 0 9 344ms 11 days ago 548th AlephSquirrel 0 20 8ms 3 Dec 2025 548th ovs-code 🇩🇪 0 20 9ms 3 Dec 2025 550th AlephSquirrel 0 27 5ms 3 Dec 2025 550th ovs-code 🇩🇪 0 27 6ms 7 Dec 2025 552nd ovs-code 🇩🇪 0 29 123ms 3 Dec 2025 553rd Shanethegamer 🇺🇸 0 32 35ms 19 May 2025 554th KatieLG 🇬🇧 0 43 65ms 29 Mar 2026 555th madex 🇩🇪 0 59 1,440ms 27 Mar 2026 556th dokutan 0 64 426ms 7 days ago 557th GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 558th Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 559th GolfingSuccess 🇬🇷 0 71 23ms 12 Jan 2026 559th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 561st dokutan 0 74 81ms 8 Feb 2026 562nd Matter1024 🇮🇳 0 101 60ms 15 days ago 563rd edsrzf 🇳🇿 0 108 1,839ms 21 May 2025 564th btjones0 0 126 168ms 25 Mar 2026 565th FortuiteMan 🇫🇷 0 132 267ms 43 hours ago 566th edsrzf 🇳🇿 0 136 4,774ms 19 May 2025 567th dokutan 0 262 12ms 7 days ago First Prev 501–567 of 567