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there are 4 3 -digit numbers which are equal to the sum of the cubes of their digits three of them are: 153 ,370 and 407 which is the fourth one? hint: it is very easy!

Note by Snehdeep Arora 5 years, 3 months ago

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\(371\)

Since \(3^{3} + 7^{3} + 0^{3} = 370\)

Then \(3^{3} + 7^{3} + 1^{3} = 371\)

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correct!

They are known as Armstrong Numbers in popular recreational math nomenclature.

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Easy Math Editor

`*italics*`

or`_italics_`

italics`**bold**`

or`__bold__`

boldNote: you must add a full line of space before and after lists for them to show up correctlyparagraph 1

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`[example link](https://brilliant.org)`

`> This is a quote`

Remember to wrap math in \( ... \) or \[ ... \] to ensure proper formatting.`2 \times 3`

`2^{34}`

`a_{i-1}`

`\frac{2}{3}`

`\sqrt{2}`

`\sum_{i=1}^3`

`\sin \theta`

`\boxed{123}`

## Comments

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TopNewest\(371\)

Since \(3^{3} + 7^{3} + 0^{3} = 370\)

Then \(3^{3} + 7^{3} + 1^{3} = 371\)

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correct!

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They are known as Armstrong Numbers in popular recreational math nomenclature.

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