Lychrel number

短语

词形变化

Lychrel numbers 复数 Lychrel numbers

释义与例句

n.
  1. 1.

    A natural number that cannot form a palindrome through the iterative process of repeatedly reversing its digits and adding the resulting numbers.

    数学

    In base ten (decimal), no Lychrel numbers have been yet proved to exist, but many are suspected.

词源

Coined by Wade Van Landingham as a rough anagram of Cheryl, his girlfriend's first name.

来源：wiktionary