Front

τ(6)

Back

4

Front

σ(5)

Back

6

Front

σ(mn)=σ(m)σ(n)

Back

need not be true

Front

The number theoretic function f satisfy f(mn)=f(m)f(n) [multiplicative] whenever gcd(m,n)=1.

Back

True

Front

The greatest integer function [-3/2] is ...................

Back

-2

Front

[π]=

Back

3

Front

The greatest integer function of [-π]=..............

Back

-4

Front

Στ(n)=..........;n=1 to 6

Back

14