Problem 46624. List the emirps

Created by ChrisR

Solve Later

<div style = "text-align: start; line-height: 20.4333px; min-height: 0px; white-space: normal; color: rgb(0, 0, 0); font-family: Menlo, Monaco, Consolas, monospace; font-style: normal; font-size: 14px; font-weight: 400; text-decoration: rgb(0, 0, 0); white-space: normal; "><div style="block-size: 72px; display: block; min-width: 0px; padding-block-start: 0px; padding-top: 0px; perspective-origin: 407px 36px; transform-origin: 407px 36px; vertical-align: baseline; "><div style="block-size: 42px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 21px; text-align: left; transform-origin: 384px 21px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 10.5px 8.16667px; transform-origin: 10.5px 8.16667px; unicode-bidi: normal; "><span style="">An </span></span><a target='_blank' href = "https://mathworld.wolfram.com/Emirp.html"><span style=""><span style="">emirp</span></span></a><span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 348.383px 8.16667px; transform-origin: 348.383px 8.16667px; unicode-bidi: normal; "><span style=""> is a prime number that becomes a different prime when reversed. The numbers 13, 17, and 149 are emirps, but 11, 19, and 101 are not. </span></span></div><div style="block-size: 21px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 10.5px; text-align: left; transform-origin: 384px 10.5px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 168.417px 8.16667px; transform-origin: 168.417px 8.16667px; unicode-bidi: normal; "><span style="">List the emirps less than or equal to the input number. </span></span></div></div></div>

Solve

Solution Stats

77 Solutions
28 Solvers

Last Solution submitted on Nov 22, 2021

Last 200 Solutions

Problem Comments

Problem Recent Solvers28

Problem Tags

primes sequences

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Problem 46624. List the emirps

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers28

Suggested Problems

More from this Author132

Problem Tags

Community Treasure Hunt

Problem 46624. List the emirps

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers28

Suggested Problems

More from this Author132

Problem Tags

Community Treasure Hunt

Players