The Taxicab Numbers hole will go live in approximately 36 hours. Why not try and solve it ahead of time?
Jacobi Symbol 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 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 Chars Time Submitted 501st alphafalfa 564 110 6ms 25 Oct 2024 502nd GrayJoKing 🇦🇺 563 126 148ms 24 Oct 2024 502nd rucin93 🇵🇱 563 126 144ms 3 Jan 2025 504th Schmitt-Very-Cool 563 252 495ms 30 Sep 2025 505th SirBogman 🇺🇸 562 135 546ms 16 Jan 2024 506th yzhs 🇩🇪 562 144 20ms 31 May 2022 507th bac0id 561 223 397ms 29 Jun 2024 508th Lv0Sys 🇵🇱 560 148 11ms 27 Feb 2026 509th bac0id 560 191 110ms 29 Jun 2024 510th the-zammers 560 222 146ms 15 Oct 2023 511th dokutan 558 181 12ms 1 Jul 2024 512th MeWhenI 🇻🇦 557 157 26ms 23 Jun 2024 513th JOrE20 556 149 14ms 24 Dec 2025 514th Shanethegamer 🇺🇸 556 283 232ms 11 May 2022 515th SirBogman 🇺🇸 555 86 34ms 9 Jan 2023 516th MeWhenI 🇻🇦 555 141 282ms 23 Jun 2024 517th Command-Master 555 146 17ms 29 Sep 2023 517th madex 🇩🇪 555 146 11ms 25 days ago 519th tatzyr 🇯🇵 554 94 40ms 24 Nov 2024 520th 386asm 🇺🇸 554 214 37ms 4 May 2023 521st MeWhenI 🇻🇦 552 137 298ms 29 Jan 2023 522nd lifthrasiir 🇰🇷 551 85 4ms 27 Nov 2024 523rd bricknellj 551 147 11ms 24 Jun 2024 524th madeforlosers 549 151 10ms 23 Oct 2024 524th tomh1012 549 151 12ms 12 Mar 2026 526th jacobly0 🇺🇸 549 192 2ms 13 Sep 2023 527th retrohun 547 148 11ms 21 May 2022 527th argusdusty 🇺🇸 547 148 18ms 21 Aug 2022 529th bac0id 545 260 435ms 29 Jun 2024 530th MeWhenI 🇻🇦 544 218 39ms 23 Jun 2024 531st levikeck 543 229 145ms 5 Feb 2024 532nd DialFrost 🇸🇬 542 96 39ms 5 Jan 2023 532nd olivermrose 🇺🇸 542 96 38ms 21 Jan 2023 532nd olleicua 🇺🇸 542 96 37ms 15 Feb 2025 535th MeWhenI 🇻🇦 541 117 9ms 23 Jun 2024 536th weliveinhell 🇭🇹 541 199 2ms 21 May 2024 537th stefangimmillaro 540 150 12ms 19 Sep 2023 537th stertooy 🇧🇪 540 150 34ms 15 Jun 2024 537th InigoK 🇺🇸 540 150 18ms 25 Aug 2025 540th KatieLG 🇬🇧 540 232 429ms 13 Oct 2024 541st Bubbler-4 539 87 18ms 9 May 2022 542nd MeWhenI 🇻🇦 539 115 2ms 11 Nov 2022 543rd dokutan 539 219 322ms 24 Mar 2025 544th lynn 539 263 32ms 23 Jul 2023 545th MeWhenI 🇻🇦 538 141 662ms 24 May 2024 546th Yewzir 🇧🇪 538 191 2ms 7 May 2024 547th sisyphus-ppcg 🇦🇺 537 97 36ms 27 Dec 2023 548th KasperKivimaeki 🇫🇮 536 151 18ms 17 Dec 2025 549th Alessandro-Balconi 🇮🇹 534 183 120ms 15 May 2023 550th brimstonetrader 534 233 143ms 20 Mar 2024 551st NewDefectus 🇮🇱 533 152 12ms 10 May 2022 551st TaserTheFox 🇺🇸 533 152 23ms 26 May 2023 551st Lv0Sys 🇵🇱 533 152 11ms 27 Feb 2026 554th HumanoidCPU 532 248 388ms 8 Aug 2024 555th DialFrost 🇸🇬 529 143 278ms 16 Jun 2024 556th janbehrens 🇩🇪 529 153 37ms 17 Jun 2023 557th helbling 🇨🇭 528 157 13ms 3 Oct 2024 558th qpwoeirut 526 154 11ms 2 Oct 2025 558th CaedenHarper 🇨🇦 526 154 32ms 6 Nov 2025 560th emgordon154 525 205 2ms 28 Dec 2024 561st CaedenHarper 🇨🇦 524 145 564ms 6 Nov 2025 562nd YAJUE114514 523 155 11ms 15 Aug 2025 563rd MeWhenI 🇻🇦 523 271 33ms 23 Jun 2024 564th The3gs 523 301 194ms 28 Nov 2024 565th janbehrens 🇩🇪 522 126 3ms 22 May 2022 566th yzhs 🇩🇪 520 241 421ms 5 Jun 2022 567th msbranicky 517 199 2ms 13 Oct 2023 568th Yewzir 🇧🇪 517 208 2ms 10 Jun 2024 569th CedricGebistorf 516 157 13ms 5 May 2023 570th alemelis 515 152 313ms 22 Sep 2024 571st Just4FunCoder 513 158 20ms 26 Mar 2023 572nd error256 513 215 70ms 21 May 2025 573rd msbranicky 511 304 2ms 12 Aug 2023 574th guilhem-roy 🇫🇷 509 159 20ms 9 May 2022 574th OllieBoyne 🇬🇧 509 159 12ms 13 May 2022 574th TobyBoyne 🇬🇧 509 159 13ms 13 May 2022 577th MeWhenI 🇻🇦 509 309 245ms 25 May 2022 578th scpchicken 🇵🇼 506 130 6ms 29 Dec 2022 579th nstearns96 🇬🇧 506 160 12ms 15 Dec 2022 579th ahmetdemirag 🇨🇾 506 160 18ms 6 Mar 2025 581st bizy-coder 503 151 490ms 27 Nov 2025 582nd rak1507 🇬🇧 503 161 20ms 8 Feb 2023 582nd StefanHabel 🇨🇦 503 161 18ms 26 Mar 2023 584th Shanethegamer 🇺🇸 502 349 68ms 20 May 2022 585th CLOStrophobic 🇮🇹 500 162 18ms 23 Jan 2025 585th andrewjc2000 500 162 18ms 18 Aug 2025 587th varhammer 🇷🇺 500 288 7ms 13 Dec 2023 588th HumanoidCPU 497 238 2,681ms 26 Oct 2024 589th Shanethegamer 🇺🇸 495 133 3ms 12 May 2022 589th MeWhenI 🇻🇦 495 133 6ms 16 Apr 2023 591st RYNO8 491 165 22ms 16 Aug 2022 591st inverseLorentz 🇦🇺 491 165 12ms 24 Mar 2024 593rd BREMAUCY 🇫🇷 488 166 19ms 30 May 2023 593rd Andrey2001 488 166 12ms 22 days ago 595th Shanethegamer 🇺🇸 488 216 2ms 20 May 2022 596th janbehrens 🇩🇪 487 130 10ms 3 Jul 2023 597th MeWhenI 🇻🇦 486 227 64ms 6 Nov 2023 598th RDShah 485 167 15ms 22 May 2022 599th jared-hughes 482 108 38ms 26 Dec 2023 600th aksyristos 482 168 19ms 25 Jan 2023 First Prev 501–600 of 750 Next Last