# What is the base value of the natural logarithm?

Napier's constant

10

number π

2

The natural logarithm of a number is its logarithm to the base of the mathematical constant e (Euler's number), occasionally referred to as Napier's constant. The common logarithm is the logarithm with base 10, while the binary logarithm is the logarithm with base 2.

Napier's constant

10

number π

2

answers

Switzerland

12

Poland

952

Unknown

81

the United Kingdom

16

Germany

10