emirp

名词 n.

英文释义

名词 n.
  1. A prime number that becomes a different prime when its decimal digits (or digits in some specified other base) are reversed.
    — The sequence of emirps begins: 13, 17, 31, 37, 71, 73, 79, 97, 107, ...

词形变化

emirps plural

词源

prime spelled backwards.
1 次浏览 数据来源: Wiktionary