The Number

21542

Twenty-One Thousand Five Hundred and Forty-Two

In Base 22 Duovigesimal Is

20b422

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21539
20b122
Twenty-One Thousand Five Hundred and Thirty-Nine in Base 22 Duovigesimal
21540
20b222
Twenty-One Thousand Five Hundred and Forty in Base 22 Duovigesimal
21541
20b322
Twenty-One Thousand Five Hundred and Forty-One in Base 22 Duovigesimal
21543
20b522
Twenty-One Thousand Five Hundred and Forty-Three in Base 22 Duovigesimal
21544
20b622
Twenty-One Thousand Five Hundred and Forty-Four in Base 22 Duovigesimal
21545
20b722
Twenty-One Thousand Five Hundred and Forty-Five in Base 22 Duovigesimal

Scientific Notation

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

2.1542e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000aj549k2cbdkl22

The reciprocal of 21542 in Base 22 Duovigesimal.

Palindrome?

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

The number 20b422 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 forty-two is a composite number with 4 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand five hundred and forty-two 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 twenty-one thousand five hundred and forty-two has the following 2 prime factors:

2
222
Two in Base 22 Duovigesimal
10771
105d22
Ten Thousand Seven Hundred and Seventy-One in Base 22 Duovigesimal

Prime Factorization

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

2221 · 105d221 = 20b422

Base Conversions

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