The Number

165

One Hundred and Sixty-Five

Nearby Numbers

Positive, nonzero integers within three units

162
One Hundred and Sixty-Two
163
One Hundred and Sixty-Three
164
One Hundred and Sixty-Four
166
One Hundred and Sixty-Six
167
One Hundred and Sixty-Seven
168
One Hundred and Sixty-Eight

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.65e2

Reciprocal

A number multiplied with its reciprocal is one.

0.006060606060606061

The reciprocal of 165.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 165 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One hundred and sixty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

One hundred and sixty-five is a composite number with 8 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one hundred and sixty-five has the following 3 prime factors:

3
Three
5
Five
11
Eleven

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

31 · 51 · 111 = 165

Base Conversions

The number one hundred and sixty-five in 35 different bases