The Number

165

One Hundred and Sixty-Five

In Base 9 Nonary Is

2039

The numbers with a 9 subscript use Base 9 Nonary notation.

For more familiar numbers: See One Hundred and Sixty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

162
2009
One Hundred and Sixty-Two in Base 9 Nonary
163
2019
One Hundred and Sixty-Three in Base 9 Nonary
164
2029
One Hundred and Sixty-Four in Base 9 Nonary
166
2049
One Hundred and Sixty-Six in Base 9 Nonary
167
2059
One Hundred and Sixty-Seven in Base 9 Nonary
168
2069
One Hundred and Sixty-Eight in Base 9 Nonary

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.

0.00436776186043677629

The reciprocal of 165 in Base 9 Nonary.

Palindrome?

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

The number 2039 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 9 Nonary

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
39
Three in Base 9 Nonary
5
59
Five in Base 9 Nonary
11
129
Eleven in Base 9 Nonary

Prime Factorization

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

391 · 591 · 1291 = 2039

Base Conversions

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