407
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Number
$407$ (four hundred and seven) is:
- $11 \times 37$
- The $13$th pluperfect digital invariant after $1$, $2$, $3$, $4$, $5$, $6$, $7$, $8$, $9$, $153$, $370$, $371$:
- $4^3 + 0^3 + 7^3 = 64 + 0 + 343 = 407$
Also see
Sources
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $153$
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $407$
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $153$
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $407$