**106**= 2 x 53.

**106**has a representation as a sum of two squares:

**106**= 5

^{2}+ 9

^{2}.

**106**is a divisor of 23

^{4}- 1.

**106**= 25 + 26 + 27 + 28.

15 straight cuts through a pizza can produce as many as

**106**pieces.**106**is a centered pentagonal number and a centered heptagonal number.

The sum of the first

**106**digits of pi is a prime.