The Number

21388

Twenty-One Thousand Three Hundred and Eighty-Eight

In Base 22 Duovigesimal Is

204422

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

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

Nearby Numbers

Positive, nonzero integers within three units

21385
204122
Twenty-One Thousand Three Hundred and Eighty-Five in Base 22 Duovigesimal
21386
204222
Twenty-One Thousand Three Hundred and Eighty-Six in Base 22 Duovigesimal
21387
204322
Twenty-One Thousand Three Hundred and Eighty-Seven in Base 22 Duovigesimal
21389
204522
Twenty-One Thousand Three Hundred and Eighty-Nine in Base 22 Duovigesimal
21390
204622
Twenty-One Thousand Three Hundred and Ninety in Base 22 Duovigesimal
21391
204722
Twenty-One Thousand Three Hundred and Ninety-One in Base 22 Duovigesimal

Scientific Notation

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

2.1388e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000akl23j9j77cf22

The reciprocal of 21388 in Base 22 Duovigesimal.

Palindrome?

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

The number 204422 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 three hundred and eighty-eight is a composite number with 6 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 three hundred and eighty-eight is a composite number with 6 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 three hundred and eighty-eight has the following 2 prime factors:

2
222
Two in Base 22 Duovigesimal
5347
b1122
Five Thousand Three Hundred and Forty-Seven in Base 22 Duovigesimal

Prime Factorization

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

2222 · b11221 = 204422

Base Conversions

The number twenty-one thousand three hundred and eighty-eight in 35 different bases