What is the missing number in this mathematical puzzle? 423=?

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SUMMARY

The mathematical puzzle presented involves a pattern where the left-hand side numbers are transformed into their corresponding right-hand side values. The established relationships are: 398 equals 964, 118 equals 164, and 356 equals 936. Analyzing these transformations reveals that the missing number for 423 is 169, following the same transformation logic.

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398=964
118=164
356=936
423=?

What does 423 equal?
 
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[sp]169[/sp]
 
LightningGirl said:
398=964
118=164
356=936
423=?

What does 423 equal?

Hey LightningGirl! Welcome to MHB! ;)

Can you give me a hint? (Sweating)
 
I like Serena said:
Hey LightningGirl! Welcome to MHB! ;)

Can you give me a hint? (Sweating)

First digit and last digit squared then put together.
I checked greg's solution and seems like it's also what he thought.
 

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