What is the sum of the square numbers of 1 in 1998? It's 11111111 ×1111111…… Not 1 × 1 + 1 × 1 + 1 × 1

What is the sum of the square numbers of 1 in 1998? It's 11111111 ×1111111…… Not 1 × 1 + 1 × 1 + 1 × 1

I did 17901
is it?