The Taxicab Numbers hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Arrows 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 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 Huffman Encoder 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 Huffman Encoder 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 Bytes Time Submitted 601st MeWhenI 🇻🇦 566 241 238ms 17 Feb 2022 602nd Yewzir 🇧🇪 565 330 1,975ms 8 days ago 603rd janbehrens 🇩🇪 563 136 12ms 29 Aug 2021 604th Lv0Sys 🇵🇱 563 230 434ms 28 Feb 2026 605th BalaM314 562 151 13ms 1 Mar 2025 606th jakobkordez 🇸🇮 562 168 46ms 28 Nov 2022 607th snoozingnewt 🇨🇦 560 122 192ms 10 Dec 2025 608th rak1507 🇬🇧 559 169 15ms 3 Mar 2023 608th rsgray 559 169 12ms 12 Jan 2024 608th firegene 🇮🇪 559 169 17ms 20 Feb 2026 608th OllieBoyne 🇬🇧 559 169 10ms 10 days ago 612th TobyBoyne 🇬🇧 556 170 15ms 24 Aug 2021 612th Kloppermand 🇩🇰 556 170 13ms 30 Aug 2021 612th ZakkkkAttackkkk 🇵🇭 556 170 23ms 30 Jul 2023 615th duckyluuk 🇳🇱 556 187 12ms 27 Nov 2025 616th Andrey-Plotnikov 554 153 12ms 20 Jun 2025 617th Indivicivet 552 171 23ms 24 Oct 2021 617th nullie 552 171 14ms 5 Jun 2022 617th aalec 552 171 14ms 4 May 2024 620th neihousaigaai 551 154 17ms 27 Dec 2021 621st janbehrens 🇩🇪 550 205 694ms 17 Jun 2023 622nd dokutan 548 448 1,302ms 15 Jan 2025 623rd didion0 🇺🇸 547 155 14ms 31 May 2022 624th jerrandolph 547 237 445ms 20 Oct 2023 625th logvp 546 173 69ms 1 Feb 2024 625th CommandLeo 🇮🇹 546 173 13ms 30 Nov 2025 627th Just4FunCoder 545 126 47ms 18 Jun 2025 628th janbehrens 🇩🇪 545 158 2ms 21 Mar 2022 629th kimbo 🇺🇸 544 238 435ms 28 Dec 2022 629th msbranicky 544 238 440ms 31 Aug 2023 631st msbranicky 543 154 652ms 17 Jan 2024 632nd fourth-bit 543 174 22ms 1 Jul 2024 633rd alphafalfa 542 163 3ms 20 Nov 2024 634th revlayle 🇺🇸 542 177 555ms 6 Jun 2023 635th Lv0Sys 🇵🇱 540 157 13ms 28 Feb 2026 636th yourlefthandman 540 175 25ms 16 Aug 2023 636th Artemis21 🇬🇧 540 175 14ms 2 Jan 2025 638th KatieLG 🇬🇧 539 241 118ms 8 Nov 2025 639th galloj 🇨🇿 537 176 14ms 20 Aug 2022 640th klixel 🇨🇦 537 254 282ms 19 Jun 2023 641st Yewzir 🇧🇪 536 156 736ms 15 Feb 2024 642nd Irratix 🇳🇱 535 161 3ms 21 Dec 2021 643rd olleicua 🇺🇸 534 159 15ms 13 Jan 2024 644th DrPiranoid 534 177 24ms 28 Sep 2022 644th ehulinsky 🇺🇸 534 177 15ms 10 May 2023 644th raymur 534 177 14ms 14 Jul 2025 644th nemoyatpeace 534 177 13ms 9 Jan 2026 644th denkyuu1 534 177 14ms 2 Feb 2026 649th KatieLG 🇬🇧 533 180 468ms 18 Oct 2022 650th annaproxy 533 279 165ms 31 Dec 2022 651st dcgjb 528 129 267ms 11 Jun 2024 652nd blaztoma 🇱🇹 528 130 54ms 24 Oct 2025 653rd CatsAreFluffy 528 163 2ms 15 Jan 2023 654th coreynash 527 161 16ms 25 Sep 2023 655th Shanethegamer 🇺🇸 526 76 5ms 25 Apr 2022 656th GolfingSuccess 🇬🇷 526 159 697ms 2 Mar 2024 657th carotinoid 🇰🇷 525 180 25ms 18 Mar 2026 658th MeWhenI 🇻🇦 525 471 11ms 28 Aug 2023 659th BambooleanLogic 🇸🇪 524 162 16ms 19 Oct 2023 659th helbling 🇨🇭 524 162 24ms 8 Sep 2024 659th targrik 524 162 13ms 20 Mar 2025 662nd inventshah 524 351 11ms 30 Dec 2022 663rd bastienvoirin 🇫🇷 522 181 14ms 14 Sep 2021 663rd adoxography 522 181 14ms 28 Sep 2021 663rd myleopard 522 181 14ms 20 Jul 2022 663rd joll05 🇸🇪 522 181 20ms 19 Mar 2026 667th angel-p57 🇯🇵 521 516 2ms 21 Nov 2023 668th nstearns96 🇬🇧 519 182 14ms 22 Jan 2023 668th yousefalizadeh 519 182 14ms 7 Apr 2024 668th JOrE20 519 182 15ms 21 Feb 2026 671st dokutan 517 132 260ms 4 Feb 2026 672nd moikaturns 🇬🇧 517 164 16ms 10 Nov 2022 672nd unfinishedprogram 517 164 14ms 26 Oct 2023 674th ian-h-chamberlain 🇺🇸 517 319 54ms 2 Nov 2025 675th Bmrl7 516 183 13ms 29 Mar 2024 675th paiv 516 183 10ms 16 Jun 2025 677th BREMAUCY 🇫🇷 514 208 481ms 26 Dec 2025 678th eMGeeneer 514 219 743ms 26 Jun 2024 679th georgehulme 513 184 14ms 5 Oct 2022 679th jeff-at-tamer-dot-codes 🇺🇸 513 184 14ms 28 Jul 2024 679th ComradeSquirrel 513 184 16ms 28 Mar 2026 682nd namelessiw 510 164 668ms 5 Mar 2024 683rd alexjurkiewicz 🇦🇺 510 185 14ms 7 Nov 2023 684th Kanawanagasaki 510 188 522ms 15 Sep 2022 685th eMGeeneer 509 215 502ms 27 Jun 2024 686th NicoAdams 508 186 12ms 25 Nov 2021 687th ericlangedijk 🇸🇮 507 189 479ms 12 Mar 2022 688th Yewzir 🇧🇪 507 256 135ms 1 Dec 2025 689th MeWhenI 🇻🇦 507 485 10ms 28 Nov 2023 690th Haksell 🇦🇶 505 136 48ms 22 Feb 2023 691st itserasmus 505 168 16ms 25 Jan 2024 692nd KatieLG 🇬🇧 502 169 13ms 13 Aug 2022 692nd ToriTheChicken 502 169 16ms 30 May 2023 694th StardustGogeta 502 188 14ms 6 May 2023 694th zbreit 🇺🇸 502 188 15ms 6 May 2023 696th aaronze 🇦🇺 501 137 53ms 17 Sep 2023 697th IanUtley 501 241 21ms 14 May 2024 698th xiaoyiming123 500 189 10ms 24 Jul 2025 699th janbehrens 🇩🇪 499 130 4ms 17 Jun 2023 700th stefangabos 🇷🇴 499 170 18ms 15 Sep 2022 First Prev 601–700 of 1,379 Next Last