40,311

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Number

$40 \, 311$ (forty thousand, three hundred and eleven) is:

$3^3 \times 1493$

The $1$st of a sequence of $5$ consecutive integers which all have the same number of divisors:

$\map {\sigma_0} {40 \, 311} = 8$: $1, 3, 9, 27, 1493, 4479, 13 \, 437, 40 \, 311$

Arithmetic Functions on $40 \, 311$

\(\ds \map {\sigma_0} { 40 \, 311 }\)

\(=\)

\(\ds 8\)

$\sigma_0$ of $40 \, 311$

Also see

• Next: Sequence of Consecutive Integers with Same Number of Divisors

Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $40,311$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $40,311$