The Number

21982

Twenty-One Thousand Nine Hundred and Eighty-Two

In Base 21 Unovigesimal Is

27hg21

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

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

Nearby Numbers

Positive, nonzero integers within three units

21979
27hd21
Twenty-One Thousand Nine Hundred and Seventy-Nine in Base 21 Unovigesimal
21980
27he21
Twenty-One Thousand Nine Hundred and Eighty in Base 21 Unovigesimal
21981
27hf21
Twenty-One Thousand Nine Hundred and Eighty-One in Base 21 Unovigesimal
21983
27hh21
Twenty-One Thousand Nine Hundred and Eighty-Three in Base 21 Unovigesimal
21984
27hi21
Twenty-One Thousand Nine Hundred and Eighty-Four in Base 21 Unovigesimal
21985
27hj21
Twenty-One Thousand Nine Hundred and Eighty-Five in Base 21 Unovigesimal

Scientific Notation

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

2.1982e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0008hgdee0478i221

The reciprocal of 21982 in Base 21 Unovigesimal.

Palindrome?

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

The number 27hg21 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 nine hundred and eighty-two is a composite number with 8 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 nine hundred and eighty-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 nine hundred and eighty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal
379
i121
Three Hundred and Seventy-Nine in Base 21 Unovigesimal

Prime Factorization

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

2211 · 18211 · i1211 = 27hg21

Base Conversions

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