3751

Number
$3751$ (three thousand, seven hundred and fifty-one) is:
 * $11^2 \times 31$


 * The $17$th Fermat pseudoprime to base $3$ after $91$, $121$, $286$, $671$, $703$, $949$, $1105$, $1541$, $1729$, $1891$, $2465$, $2665$, $2701$, $2821$, $3281$, $3367$:
 * $3^{3751} \equiv 3 \pmod {3751}$