The Number

21393

Twenty-One Thousand Three Hundred and Ninety-Three

In Base 21 Unovigesimal Is

26af21

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

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

Nearby Numbers

Positive, nonzero integers within three units

21390
26ac21
Twenty-One Thousand Three Hundred and Ninety in Base 21 Unovigesimal
21391
26ad21
Twenty-One Thousand Three Hundred and Ninety-One in Base 21 Unovigesimal
21392
26ae21
Twenty-One Thousand Three Hundred and Ninety-Two in Base 21 Unovigesimal
21394
26ag21
Twenty-One Thousand Three Hundred and Ninety-Four in Base 21 Unovigesimal
21395
26ah21
Twenty-One Thousand Three Hundred and Ninety-Five in Base 21 Unovigesimal
21396
26ai21
Twenty-One Thousand Three Hundred and Ninety-Six in Base 21 Unovigesimal

Scientific Notation

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

2.1393e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00091j1bdejf5k4d21

The reciprocal of 21393 in Base 21 Unovigesimal.

Palindrome?

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

The number 26af21 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 ninety-three is a composite number with 6 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 three hundred and ninety-three 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 ninety-three has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
2377
58421
Two Thousand Three Hundred and Seventy-Seven in Base 21 Unovigesimal

Prime Factorization

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

3212 · 584211 = 26af21

Base Conversions

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