# math

posted by
**anonymous** on
.

What are the last three digits of

N=(2^(1!)!) + (2^(2!)!) + ... + (2^(1000!)!)?

please help..

posted by
**anonymous** on
.

What are the last three digits of

N=(2^(1!)!) + (2^(2!)!) + ... + (2^(1000!)!)?

please help..