21,952

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Number

$21 \, 952$ (twenty-one thousand, nine hundred and fifty-two) is:

$2^6 \times 7^3$

The $2$nd after $1$ of the $3$ positive integers whose divisor count equals its cube root:

$\map {\sigma_0} {21 \, 952} = 28$

The $28$th cube number:

$21 \, 952 = 28 \times 28 \times 28$

Arithmetic Functions on $21 \, 952$

\(\ds \map {\sigma_0} { 21 \, 952 }\)

\(=\)

\(\ds 28\)

$\sigma_0$ of $21 \, 952$

Also see

• Previous  ... Next: Cube Number

• Previous  ... Next: Integers whose Divisor Count equals Cube Root

Sources

• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $21,952$