297
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Number
$297$ (two hundred and ninety-seven) is:
- $3^3 \times 11$
- The $4$th Kaprekar triple after $1$, $8$, $45$:
- $297^3 = 26 \, 198 \, 073 \to 26 + 198 + 073 = 297$
- The $6$th Kaprekar number after $1$, $9$, $45$, $55$, $99$:
- $297^2 = 88 \, 209 \to 88 + 209 = 297$
- The number of integer partitions for $17$:
- $\map p {17} = 297$
- The $55$th lucky number:
- $1$, $3$, $7$, $9$, $13$, $15$, $21$, $\ldots$, $237$, $241$, $259$, $261$, $267$, $273$, $283$, $285$, $289$, $297$, $\ldots$
Also see
- Previous ... Next: Kaprekar Triple
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Sources
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $297$
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $297$