The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Partition Numbers 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 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 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers 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 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 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 401st snoozingnewt 🇨🇦 671 121 396ms 4 Oct 2025 402nd jatloe 670 79 10ms 17 Mar 2025 402nd roupiq 🇵🇱 670 79 10ms 18 Jun 2025 404th DialFrost 🇸🇬 670 89 39ms 11 Nov 2025 405th KatieLG 🇬🇧 668 78 418ms 9 Mar 2025 406th Lv0Sys 🇵🇱 667 75 10ms 8 days ago 407th tobeannouncd 667 90 128ms 24 Apr 2025 408th snoozingnewt 🇨🇦 667 124 694ms 6 Oct 2025 409th namelessiw 667 128 419ms 2 Oct 2025 410th Shanethegamer 🇺🇸 663 746 1ms 26 Nov 2024 410th HumanoidCPU 663 746 1ms 7 Jan 2025 410th KatieLG 🇬🇧 663 746 1ms 6 Mar 2025 410th CaedenHarper 🇨🇦 663 746 1ms 16 Aug 2025 414th error256 661 80 13ms 1 Mar 2025 414th klixel 🇨🇦 661 80 13ms 18 Mar 2025 414th ryyyn 🇺🇸 661 80 10ms 30 Oct 2025 414th edsrzf 🇳🇿 661 80 29ms 22 days ago 418th snoozingnewt 🇨🇦 659 82 756ms 23 Sep 2025 419th snoozingnewt 🇨🇦 657 151 24ms 23 Sep 2025 420th dokutan 655 124 325ms 30 Mar 2025 421st snoozingnewt 🇨🇦 654 77 119ms 23 Sep 2025 422nd blaztoma 🇱🇹 653 81 10ms 28 Oct 2025 423rd snoozingnewt 🇨🇦 653 96 124ms 23 Sep 2025 424th Natanaelel 🇸🇪 652 69 4ms 11 Mar 2025 425th madex 🇩🇪 649 77 9ms 20 Mar 2025 426th snoozingnewt 🇨🇦 648 101 95ms 23 Sep 2025 427th albanian-laundromat 647 159 34ms 13 Nov 2025 428th dokutan 646 66 40ms 30 Mar 2025 428th snoozingnewt 🇨🇦 646 66 33ms 23 Sep 2025 430th acotis 646 126 126ms 27 Sep 2025 431st plcc0 645 82 10ms 4 Aug 2025 432nd AdrienHache 🇫🇷 644 126 341ms 10 Feb 2025 433rd albanian-laundromat 642 119 41ms 7 Sep 2025 434th mousetail 🇳🇱 641 127 3,508ms 4 Mar 2025 435th dokutan 641 129 78ms 31 Mar 2025 436th m-tkach 🇺🇦 637 83 71ms 4 Mar 2025 436th Lv0Sys 🇵🇱 637 83 10ms 8 days ago 438th dokutan 636 82 427ms 29 Mar 2025 439th MeWhenI 🇻🇦 636 85 706ms 15 Sep 2025 440th albanian-laundromat 636 263 19ms 10 days ago 441st JunkIce 630 84 10ms 27 Feb 2025 441st dokutan 630 84 10ms 29 Mar 2025 441st snoozingnewt 🇨🇦 630 84 10ms 31 Mar 2025 441st Flekay 🇩🇪 630 84 11ms 10 Jul 2025 441st wuduculfre 630 84 12ms 27 Jul 2025 441st luuumine 🇫🇷 630 84 10ms 15 Nov 2025 447th albanian-laundromat 629 86 756ms 16 Nov 2025 448th MeWhenI 🇻🇦 625 72 3,433ms 28 Feb 2025 449th snoozingnewt 🇨🇦 623 77 885ms 23 Sep 2025 450th JunkIce 621 84 436ms 5 Mar 2025 450th snoozingnewt 🇨🇦 621 84 428ms 23 Sep 2025 452nd Shanethegamer 🇺🇸 620 160 39ms 8 Mar 2025 453rd targrik 618 85 4ms 23 Oct 2025 454th trinityy-7 617 81 9ms 21 Jul 2025 455th DialFrost 🇸🇬 616 71 21ms 20 Feb 2025 456th BREMAUCY 🇫🇷 615 86 10ms 28 Feb 2025 456th madex 🇩🇪 615 86 10ms 20 Mar 2025 456th FortuiteMan 🇫🇷 615 86 11ms 21 Jul 2025 456th cros107 🇦🇺 615 86 10ms 27 days ago 460th iczelia 🇩🇪 610 82 11ms 17 Oct 2025 461st dokutan 609 106 1ms 31 Mar 2025 462nd BrunoVisnadi 🇧🇷 608 87 10ms 3 days ago 463rd snoozingnewt 🇨🇦 607 117 1,292ms 23 Sep 2025 464th YAJUE114514 606 99 122ms 31 Jul 2025 465th Shanethegamer 🇺🇸 605 114 6ms 12 Mar 2025 466th MeWhenI 🇻🇦 603 99 39ms 1 Mar 2025 467th snoozingnewt 🇨🇦 603 107 2ms 9 Oct 2025 468th targrik 602 83 9ms 8 Jun 2025 469th snoozingnewt 🇨🇦 602 84 2ms 23 Sep 2025 470th snoozingnewt 🇨🇦 600 143 9ms 30 Sep 2025 471st snoozingnewt 🇨🇦 597 100 42ms 23 Sep 2025 472nd helbling 🇨🇭 595 84 9ms 6 Mar 2025 473rd snoozingnewt 🇨🇦 594 107 107ms 23 Sep 2025 474th FlyingPenguin223 594 116 30ms 28 Feb 2025 475th madex 🇩🇪 593 72 35ms 20 Mar 2025 476th emgordon154 591 116 117ms 1 Mar 2025 477th Andrey-Plotnikov 588 85 10ms 23 Jun 2025 478th jacekwladzinski 588 90 10ms 4 Oct 2025 479th Shanethegamer 🇺🇸 584 147 35ms 8 Mar 2025 480th edsrzf 🇳🇿 582 126 41ms 3 Mar 2025 First Prev 401–480 of 1,061 Next Last