The Number

21115

Twenty-One Thousand One Hundred and Fifteen

In Base 28 Octovigesimal Is

qq328

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

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

Nearby Numbers

Positive, nonzero integers within three units

21112
qq028
Twenty-One Thousand One Hundred and Twelve in Base 28 Octovigesimal
21113
qq128
Twenty-One Thousand One Hundred and Thirteen in Base 28 Octovigesimal
21114
qq228
Twenty-One Thousand One Hundred and Fourteen in Base 28 Octovigesimal
21116
qq428
Twenty-One Thousand One Hundred and Sixteen in Base 28 Octovigesimal
21117
qq528
Twenty-One Thousand One Hundred and Seventeen in Base 28 Octovigesimal
21118
qq628
Twenty-One Thousand One Hundred and Eightteen in Base 28 Octovigesimal

Scientific Notation

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

2.1115e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001132503gnif928

The reciprocal of 21115 in Base 28 Octovigesimal.

Palindrome?

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

The number qq328 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 fifteen is a composite number with 8 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 fifteen 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 twenty-one thousand one hundred and fifteen has the following 3 prime factors:

5
528
Five in Base 28 Octovigesimal
41
1d28
Forty-One in Base 28 Octovigesimal
103
3j28
One Hundred and 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

5281 · 1d281 · 3j281 = qq328

Base Conversions

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