-
problem in mathematics: Do any base-10
Lychrel numbers exist? (more
unsolved problems in mathematics) A
Lychrel number is a
natural number that cannot...
- iterations. Any
number that
never becomes palindromic in this way is
known as a
Lychrel number. On
January 24, 2017, the
number 1,999,291,987,030,606,810 was published...
-
numbers are
numbers that read the same when
their digits are reversed. A
Lychrel number is a
positive integer that
never yields a
palindromic number when...
- is
carried out and are
therefore suspected of
being Lychrel numbers. If a
number is not a
Lychrel number, it is
called a "dela**** palindrome" (56 has...
-
Fibonacci numbers. M89 is the 10th
Mersenne prime.
Although 89 is not a
Lychrel number in base 10, it is
unusual that it
takes 24
iterations of the reverse...
-
polyominoes are
considered to be
distinct from
their mirror images. A
Lychrel number is a
natural number which cannot form a
palindromic number through...
-
written as the sum of 4
nonzero perfect squares. 295 is the
second suspected Lychrel number. "Facts
about the integer". mathworld.wolfram.com. Sloane, N. J...
- Coding-related
Meertens Other Dudeney Factorion Kaprekar Kaprekar's
constant Keith Lychrel Narcissistic Perfect digit-to-digit
invariant Perfect digital invariant...
- Coding-related
Meertens Other Dudeney Factorion Kaprekar Kaprekar's
constant Keith Lychrel Narcissistic Perfect digit-to-digit
invariant Perfect digital invariant...
-
product dynamics Multiplicative digital root
Multiplicative persistence Lychrel number Perfect digital invariant Happy number Disquisitiones Arithmeticae...
