The Number

21742

Twenty-One Thousand Seven Hundred and Forty-Two

In Base 22 Duovigesimal Is

20k622

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

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

Nearby Numbers

Positive, nonzero integers within three units

21739
20k322
Twenty-One Thousand Seven Hundred and Thirty-Nine in Base 22 Duovigesimal
21740
20k422
Twenty-One Thousand Seven Hundred and Forty in Base 22 Duovigesimal
21741
20k522
Twenty-One Thousand Seven Hundred and Forty-One in Base 22 Duovigesimal
21743
20k722
Twenty-One Thousand Seven Hundred and Forty-Three in Base 22 Duovigesimal
21744
20k822
Twenty-One Thousand Seven Hundred and Forty-Four in Base 22 Duovigesimal
21745
20k922
Twenty-One Thousand Seven 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.

2.1742e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ah0h709ia5i22

The reciprocal of 21742 in Base 22 Duovigesimal.

Palindrome?

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

The number 20k622 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 seven hundred and forty-two is a composite number with 8 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 seven hundred and forty-two 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 seven hundred and forty-two has the following 3 prime factors:

2
222
Two in Base 22 Duovigesimal
7
722
Seven in Base 22 Duovigesimal
1553
34d22
One Thousand Five Hundred and Fifty-Three 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 · 7221 · 34d221 = 20k622

Base Conversions

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