The
Kaprekar Numbers
hole will go live in
21 hours
. Why not try and solve it ahead of time?
Recent Solutions
Prev Hole
Play Hole
Next Hole
Golfers
Solutions
gs
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
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
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Maze
Medal Tally
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
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
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
All Languages
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lisp
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
Scheme
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Bytes
Chars
Scoring
Bytes
Chars
Language
All
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lisp
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
Scheme
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
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
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
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Maze
Medal Tally
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
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
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Hole
Golfer
Bytes
Submitted
Emirp Numbers (Long)
inventshah
114
5 hours ago
Emirp Numbers (Long)
inventshah
134
5 hours ago
Emirp Numbers (Long)
inventshah
93
5 hours ago
Emirp Numbers (Long)
rucin93
🥈
83
9 hours ago
Emirp Numbers (Long)
inventshah
🥇
87
a day ago
Emirp Numbers (Long)
ovs-code
💎
80
a day ago
Emirp Numbers (Long)
dokutan
1,648
a day ago
Emirp Numbers (Long)
emgordon154
119
a day ago
Emirp Numbers (Long)
Yax42
157
2 days ago
Emirp Numbers (Long)
pardouin
🥇
87
2 days ago
Emirp Numbers (Long)
KatieLG
1,161
3 days ago
Emirp Numbers (Long)
FlyingPenguin223
113
3 days ago
Emirp Numbers (Long)
tailorspy
151
3 days ago
Emirp Numbers (Long)
MunirKP
109
4 days ago
Emirp Numbers (Long)
AdrienHache
💎
64
4 days ago
Emirp Numbers (Long)
JayXon
💎
79
4 days ago
Emirp Numbers (Long)
inventshah
102
5 days ago
Emirp Numbers (Long)
alphafalfa
137
5 days ago
Emirp Numbers (Long)
Shanethegamer
🥉
95
5 days ago
Emirp Numbers (Long)
dokutan
652
6 days ago
Emirp Numbers (Long)
pardouin
🥇
35
6 days ago
Emirp Numbers (Long)
DialFrost
109
6 days ago
Emirp Numbers (Long)
MeWhenI
128
6 days ago
Emirp Numbers (Long)
HumanoidCPU
1,161
7 days ago
Emirp Numbers (Long)
JunkIce
118
7 days ago
Emirp Numbers (Long)
dokutan
117
8 days ago
Emirp Numbers (Long)
Shanethegamer
1,171
9 days ago
Emirp Numbers (Long)
Shanethegamer
1,162
9 days ago
Emirp Numbers (Long)
Shanethegamer
1,163
9 days ago
Emirp Numbers (Long)
Shanethegamer
1,176
9 days ago
Emirp Numbers (Long)
Shanethegamer
1,167
9 days ago
Emirp Numbers (Long)
Shanethegamer
1,155
9 days ago
Emirp Numbers (Long)
Shanethegamer
1,161
9 days ago
Emirp Numbers (Long)
Shanethegamer
1,160
9 days ago
Emirp Numbers (Long)
Shanethegamer
2,128
9 days ago
Emirp Numbers (Long)
AlephSquirrel
🥉
164
9 days ago
Emirp Numbers (Long)
kg583
🥈
160
10 days ago
Emirp Numbers (Long)
juliantamayo-py
214
10 days ago
Emirp Numbers (Long)
eclyptox
144
10 days ago
Emirp Numbers (Long)
brimstonetrader
166
13 days ago
Emirp Numbers (Long)
najs91
196
15 days ago
Emirp Numbers (Long)
dokutan
660
16 days ago
Emirp Numbers (Long)
dokutan
666
16 days ago
Emirp Numbers (Long)
dokutan
1,031
16 days ago
Emirp Numbers (Long)
edsrzf
141
16 days ago
Emirp Numbers (Long)
KatieLG
188
17 days ago
Emirp Numbers (Long)
Shanethegamer
124
18 days ago
Emirp Numbers (Long)
Shanethegamer
103
18 days ago
Emirp Numbers (Long)
dokutan
213
21 days ago
Emirp Numbers (Long)
Shanethegamer
1,223
21 days ago
Emirp Numbers (Long)
Shanethegamer
1,157
21 days ago
Emirp Numbers (Long)
LukeBridges
121
22 days ago
Emirp Numbers (Long)
fourth-bit
94
23 days ago
Emirp Numbers (Long)
TheRealOhead
145
23 days ago
Emirp Numbers (Long)
xyangst
115
23 days ago
Emirp Numbers (Long)
dokutan
1,026
24 days ago
Emirp Numbers (Long)
dokutan
🥈
852
24 days ago
Emirp Numbers (Long)
dokutan
925
24 days ago
Emirp Numbers (Long)
dokutan
839
24 days ago
Emirp Numbers (Long)
dokutan
851
24 days ago
Emirp Numbers (Long)
dokutan
937
24 days ago
Emirp Numbers (Long)
dokutan
999
24 days ago
Emirp Numbers (Long)
snyderek
120
24 days ago
Emirp Numbers (Long)
pardouin
80
26 days ago
Emirp Numbers (Long)
ahmetdemirag
110
26 days ago
Emirp Numbers (Long)
KatieLG
1,400
27 days ago
Emirp Numbers (Long)
KatieLG
1,164
2 Oct 2024
Emirp Numbers (Long)
KatieLG
1,415
29 Sep 2024
Emirp Numbers (Long)
KatieLG
1,196
28 Sep 2024
Emirp Numbers (Long)
Schreipfelerer
124
26 Sep 2024
Emirp Numbers (Long)
emgordon154
89
26 Sep 2024
Emirp Numbers (Long)
Shanethegamer
1,203
26 Sep 2024
Emirp Numbers (Long)
edsrzf
83
25 Sep 2024
Emirp Numbers (Long)
JesseNoEyes
164
25 Sep 2024
Emirp Numbers (Long)
vlpx
85
23 Sep 2024