1,741,725
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Number
$1 \, 741 \, 725$ (one million, seven hundred and forty-one thousand, seven hundred and twenty-five) is:
- $3^2 \times 5^2 \times 7741$
- The $21$st pluperfect digital invariant after $1$, $2$, $3$, $4$, $5$, $6$, $\ldots$, $8208$, $9474$, $54 \, 748$, $92 \, 727$, $93 \, 084$, $548 \, 834$:
| \(\ds \quad \ \ \) | \(\ds 1 \, 741 \, 725\) | \(=\) | \(\ds 1 + 823 \, 543 + 16 \, 384 + 1 + 823 \, 543 + 128 + 78 \, 125\) | |||||||||||
| \(\ds \) | \(=\) | \(\ds 1^7 + 7^7 + 4^7 + 1^7 + 7^7 + 2^7 + 5^7\) |
Also see
Sources
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $1,741,725$
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $1,741,725$