Their are many different types of atoms in the universe. It can include the proton, neutron, and the electron. Also, the quark is a particle but is not found alot.
To find the value of 1, you would find what place it is in. It is in the 100,000 place. Next, you would make all the numbers after it 0. 100,000. The value of 1 is 100,000.