249

Previous  ... Next

Number

$249$ (two hundred and forty-nine) is:

$3 \times 83$

The index (after $2$, $3$, $6$, $30$, $75$, $81$, $115$, $123$) of the $9$th Woodall prime:

$249 \times 2^{249} - 1$

The $14$th trimorphic number after $1$, $4$, $5$, $6$, $9$, $24$, $25$, $49$, $51$, $75$, $76$, $99$, $125$:

$249^3 = 15 \, 438 \, \mathbf {249}$

Also see

• Previous  ... Next: Woodall Prime
• Previous  ... Next: Trimorphic Number