The Number

21080

Twenty-One Thousand and Eighty

In Base 21 Unovigesimal Is

25gh21

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

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

Nearby Numbers

Positive, nonzero integers within three units

21077
25ge21
Twenty-One Thousand and Seventy-Seven in Base 21 Unovigesimal
21078
25gf21
Twenty-One Thousand and Seventy-Eight in Base 21 Unovigesimal
21079
25gg21
Twenty-One Thousand and Seventy-Nine in Base 21 Unovigesimal
21081
25gi21
Twenty-One Thousand and Eighty-One in Base 21 Unovigesimal
21082
25gj21
Twenty-One Thousand and Eighty-Two in Base 21 Unovigesimal
21083
25gk21
Twenty-One Thousand and Eighty-Three in Base 21 Unovigesimal

Scientific Notation

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

2.1080e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00094fcd62129a421

The reciprocal of 21080 in Base 21 Unovigesimal.

Palindrome?

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

The number 25gh21 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 and eighty is a composite number with 32 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 and eighty 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 and eighty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
31
1a21
Thirty-One in Base 21 Unovigesimal

Prime Factorization

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

2213 · 5211 · h211 · 1a211 = 25gh21

Base Conversions

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