1008
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Number
$1008$ (one thousand and eight) is:
- $2^4 \times 3^2 \times 7$
- The $4$th positive integer after $504$, $756$, $806$ which can be expressed as the product of $2$ two-digit numbers in $2$ ways such that the factors in one of those pairs is the reversal of each of the factors in the other:
- $1008 = 12 \times 84 = 48 \times 21$
- The $44$th highly abundant number after $1$, $2$, $3$, $4$, $6$, $8$, $10$, $\ldots$, $336$, $360$, $420$, $480$, $504$, $600$, $630$, $660$, $720$, $840$, $960$:
- $\map {\sigma_1} {1008} = 3224$
Arithmetic Functions on $1008$
| \(\ds \map {\sigma_1} { 1008 }\) | \(=\) | \(\ds 3224\) | $\sigma_1$ of $1008$ |