363

Previous  ... Next

Number

$363$ (three hundred and sixty-three) is:

$3 \times 11^2$

The $7$th palindromic integer after $0$, $1$, $2$, $3$, $11$, $77$ which is the index of a palindromic triangular number

$T_{363} = 66 \, 066$

Also see

• Previous  ... Next: Palindromic Indices of Palindromic Triangular Numbers

Sources

• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $363,474,363$