The Number

21558

Twenty-One Thousand Five Hundred and Fifty-Eight

In Base 20 Vigesimal Is

2dhi20

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21555
2dhf20
Twenty-One Thousand Five Hundred and Fifty-Five in Base 20 Vigesimal
21556
2dhg20
Twenty-One Thousand Five Hundred and Fifty-Six in Base 20 Vigesimal
21557
2dhh20
Twenty-One Thousand Five Hundred and Fifty-Seven in Base 20 Vigesimal
21559
2dhj20
Twenty-One Thousand Five Hundred and Fifty-Nine in Base 20 Vigesimal
21560
2di020
Twenty-One Thousand Five Hundred and Sixty in Base 20 Vigesimal
21561
2di120
Twenty-One Thousand Five Hundred and Sixty-One in Base 20 Vigesimal

Scientific Notation

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

2.1558e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000788ee40da31j420

The reciprocal of 21558 in Base 20 Vigesimal.

Palindrome?

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

The number 2dhi20 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 five hundred and fifty-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand five hundred and fifty-eight 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 five hundred and fifty-eight has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
3593
8jd20
Three Thousand Five Hundred and Ninety-Three in Base 20 Vigesimal

Prime Factorization

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

2201 · 3201 · 8jd201 = 2dhi20

Base Conversions

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