Number of Fibonacci Numbers with Same Number of Decimal Digits/Mistake

Source Work

1997: David Wells: Curious and Interesting Numbers (2nd ed.):

The Dictionary

$5$

Mistake

The number of Fibonacci numbers having the same number of digits is either $4$ or $5$.

Correction

There is a notable exception: there are $6$ (or $7$ if you include $F_0 = 0$) Fibonacci numbers with $1$ digit:

$1, 1, 2, 3, 5, 8$

Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $5$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $5$