306/Historical Note
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Historical Note on 306
$306$ was the number selected more or less at random by R. William Gosper when he wished to test a new technique for calculating roots using continued fractions.
He calculated its $7$th root to $2800$ digits.
It starts:
- $2 \cdotp 26518 \ldots$
Sources
- April 1984: Fred Gruenberger: How to handle numbers with thousands of digits, and why one might want to (Scientific American Vol. 250, no. 4: pp. 19 – 26)
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $306$
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $306$