The Number

21390

Twenty-One Thousand Three Hundred and Ninety

In Base 26 Hexavigesimal Is

15gi26

The numbers with a 26 subscript use Base 26 Hexavigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21387
15gf26
Twenty-One Thousand Three Hundred and Eighty-Seven in Base 26 Hexavigesimal
21388
15gg26
Twenty-One Thousand Three Hundred and Eighty-Eight in Base 26 Hexavigesimal
21389
15gh26
Twenty-One Thousand Three Hundred and Eighty-Nine in Base 26 Hexavigesimal
21391
15gj26
Twenty-One Thousand Three Hundred and Ninety-One in Base 26 Hexavigesimal
21392
15gk26
Twenty-One Thousand Three Hundred and Ninety-Two in Base 26 Hexavigesimal
21393
15gl26
Twenty-One Thousand Three Hundred and Ninety-Three in Base 26 Hexavigesimal

Scientific Notation

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

2.1390e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000l9c1i323l2m26

The reciprocal of 21390 in Base 26 Hexavigesimal.

Palindrome?

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

The number 15gi26 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 is a composite number with 32 total factors (including 1 and itself).   See primes in Base 26 Hexavigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand three hundred and ninety is a composite number with 32 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 has the following 5 prime factors:

2
226
Two in Base 26 Hexavigesimal
3
326
Three in Base 26 Hexavigesimal
5
526
Five in Base 26 Hexavigesimal
23
n26
Twenty-Three in Base 26 Hexavigesimal
31
1526
Thirty-One in Base 26 Hexavigesimal

Prime Factorization

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

2261 · 3261 · 5261 · n261 · 15261 = 15gi26

Base Conversions

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