
1.12 Prime Numbers
A prime number (or a prime) is a natural number .1 that has no positive divisors
other than 1 and itself. Examples are as follows:
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83,
89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173,
179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263,
269, 271, 277, 281, ...
1.13 Important Numbers in Science (Physical Constants)
G
Avogadro constant (N
A
) 6.02 3 10
26
kmol
1
G
Boltzmann constant (k) 1.38 3 10
223
JK
1
G
Electron charge (e) 1.602 3 10
19
C
G
Electron, charge/mass (e/me) 1.760 3 10
11
Ckg
1
G
Electron rest ...