The Number

2165

Two Thousand One Hundred and Sixty-Five

In Base 11 Undecimal Is

169911

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

2162
169611
Two Thousand One Hundred and Sixty-Two in Base 11 Undecimal
2163
169711
Two Thousand One Hundred and Sixty-Three in Base 11 Undecimal
2164
169811
Two Thousand One Hundred and Sixty-Four in Base 11 Undecimal
2166
169a11
Two Thousand One Hundred and Sixty-Six in Base 11 Undecimal
2167
16a011
Two Thousand One Hundred and Sixty-Seven in Base 11 Undecimal
2168
16a111
Two Thousand One Hundred and Sixty-Eight in Base 11 Undecimal

Scientific Notation

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

2.165e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000684300376370201511

The reciprocal of 2165 in Base 11 Undecimal.

Palindrome?

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

The number 169911 is not a palindrome.

Not A Prime Number

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

Two thousand one hundred and sixty-five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Two thousand one hundred and sixty-five is a composite number with 4 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 two thousand one hundred and sixty-five has the following 2 prime factors:

5
511
Five in Base 11 Undecimal
433
36411
Four Hundred and Thirty-Three in Base 11 Undecimal

Prime Factorization

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

5111 · 364111 = 169911

Base Conversions

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