675
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Number
$675$ (six hundred and seventy-five) is:
- $3^3 \times 5^2$
- The smaller of the $3$rd pair of consecutive powerful numbers:
- $675 = 3^3 \times 5^2$, $676 = 2^2 \times 13^2$
- The only known such pair whose first element is odd.
- The $44$th powerful number after $1$, $4$, $8$, $9$, $16$, $25$, $\ldots$, $400$, $432$, $441$, $484$, $500$, $512$, $529$, $576$, $625$, $648$:
- $675 = 3^3 \times 5^2$
Also see
- Previous ... Next: Consecutive Powerful Numbers
- Previous ... Next: Powerful Number
- Next: Pair of Consecutive Powerful Numbers whose First is Odd
Sources
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $675$