1634

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Number

$1634$ (one thousand, six hundred and thirty-four) is:

$2 \times 19 \times 43$

The $14$th pluperfect digital invariant after $1$, $2$, $3$, $4$, $5$, $6$, $7$, $8$, $9$, $153$, $370$, $371$, $407$:

$1^4 + 6^4 + 3^4 + 4^4 = 1 + 1296 + 81 + 256 = 1634$

Also see

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Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $1634$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $1634$