The Number

21165

Twenty-One Thousand One Hundred and Sixty-Five

In Base 28 Octovigesimal Is

qrp28

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21162
qrm28
Twenty-One Thousand One Hundred and Sixty-Two in Base 28 Octovigesimal
21163
qrn28
Twenty-One Thousand One Hundred and Sixty-Three in Base 28 Octovigesimal
21164
qro28
Twenty-One Thousand One Hundred and Sixty-Four in Base 28 Octovigesimal
21166
qrq28
Twenty-One Thousand One Hundred and Sixty-Six in Base 28 Octovigesimal
21167
qrr28
Twenty-One Thousand One Hundred and Sixty-Seven in Base 28 Octovigesimal
21168
r0028
Twenty-One Thousand One Hundred and Sixty-Eight in Base 28 Octovigesimal

Scientific Notation

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

2.1165e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0011147anhm96i28

The reciprocal of 21165 in Base 28 Octovigesimal.

Palindrome?

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

The number qrp28 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand one hundred and sixty-five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand one hundred and sixty-five is a composite number with 16 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 twenty-one thousand one hundred and sixty-five has the following 4 prime factors:

3
328
Three in Base 28 Octovigesimal
5
528
Five in Base 28 Octovigesimal
17
h28
Seventeen in Base 28 Octovigesimal
83
2r28
Eighty-Three in Base 28 Octovigesimal

Prime Factorization

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

3281 · 5281 · h281 · 2r281 = qrp28

Base Conversions

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