Problem 50589. Number Puzzle - 096

Created by Doddy Kastanya

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<div style = "text-align: start; line-height: 20.44px; 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: none solid rgb(0, 0, 0); white-space: normal; "><div style="block-size: 62.7273px; display: block; min-width: 0px; padding-block-start: 0px; padding-top: 0px; perspective-origin: 406.989px 31.3636px; transform-origin: 406.996px 31.3636px; vertical-align: baseline; "><div style="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: 383.991px 31.3636px; text-align: left; transform-origin: 383.999px 31.3636px; 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: 0px 0px; transform-origin: 0px 0px; "><span style="">Find the sum of all four-digit numbers whose prime factors when added is a palindrome. For example, prime factors of 1006 is 2 and 503. The sum of these two numbers is 505 which is a palindrome. Keep in mind that the prime factors of 8 is 2, 2, and 2 instead of just 2.</span></span></div></div></div>

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Last Solution submitted on Mar 31, 2021

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Problem 50589. Number Puzzle - 096

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Last 200 Solutions

Problem Recent Solvers8

Suggested Problems

More from this Author178

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Problem 50589. Number Puzzle - 096

Solution Stats

Last 200 Solutions

Problem Recent Solvers8

Suggested Problems

More from this Author178

Problem Tags

Community Treasure Hunt

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