e.g., what is the following expression an example of?
$2646798 = 2^1 + 6^2 + 4^3 + 6^4 + 7^5 + 9^6 + 8^7 $
2026-04-29 17:19:24.1777483164
What's it called when the sum of individual numbers has the exact same digits as the total sum?
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