The Number

21190

Twenty-One Thousand One Hundred and Ninety

In Base 21 Unovigesimal Is

261121

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21187
260j21
Twenty-One Thousand One Hundred and Eighty-Seven in Base 21 Unovigesimal
21188
260k21
Twenty-One Thousand One Hundred and Eighty-Eight in Base 21 Unovigesimal
21189
261021
Twenty-One Thousand One Hundred and Eighty-Nine in Base 21 Unovigesimal
21191
261221
Twenty-One Thousand One Hundred and Ninety-One in Base 21 Unovigesimal
21192
261321
Twenty-One Thousand One Hundred and Ninety-Two in Base 21 Unovigesimal
21193
261421
Twenty-One Thousand One Hundred and Ninety-Three in Base 21 Unovigesimal

Scientific Notation

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

2.1190e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00093fa21jce456521

The reciprocal of 21190 in Base 21 Unovigesimal.

Palindrome?

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

The number 261121 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 ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand one hundred and ninety 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 ninety has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
163
7g21
One Hundred and Sixty-Three in Base 21 Unovigesimal

Prime Factorization

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

2211 · 5211 · d211 · 7g211 = 261121

Base Conversions

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