benchmarks.wiki / Public workspace

MATH / Let's call a prime number a textit{reversible prime} if the number formed by reversing its digits is also prime. What is the smallest reversible prime greater than 17?

Problem

Answer published by the source. Consult the official source to check your work against its answer.

problem

Let's call a prime number a $\textit{reversible prime}$ if the number formed by reversing its digits is also prime. What is the smallest reversible prime greater than 17?
Plain-text mathematical notation (without MathML)
Let's call a prime number a $\textit{reversible prime}$ if the number formed by reversing its digits is also prime. What is the smallest reversible prime greater than 17?
Original LaTeX notation
Let's call a prime number a $\textit{reversible prime}$ if the number formed by reversing its digits is also prime. What is the smallest reversible prime greater than 17?

level

Level 1

type

Number Theory

Discussion

Discussion

No discussion posts on this page yet. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

See answer Answer published by the source

Artifacts

Code, notes and reproducible work shared by participants. Files are served from a separate origin.

No artifacts on this page yet. Share reproducible code or notes in a contribution. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

Source and history

Official source

initial import