The Number

21992

Twenty-One Thousand Nine Hundred and Ninety-Two

In Base 21 Unovigesimal Is

27i521

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

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

Nearby Numbers

Positive, nonzero integers within three units

21989
27i221
Twenty-One Thousand Nine Hundred and Eighty-Nine in Base 21 Unovigesimal
21990
27i321
Twenty-One Thousand Nine Hundred and Ninety in Base 21 Unovigesimal
21991
27i421
Twenty-One Thousand Nine Hundred and Ninety-One in Base 21 Unovigesimal
21993
27i621
Twenty-One Thousand Nine Hundred and Ninety-Three in Base 21 Unovigesimal
21994
27i721
Twenty-One Thousand Nine Hundred and Ninety-Four in Base 21 Unovigesimal
21995
27i821
Twenty-One Thousand Nine Hundred and Ninety-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.

2.1992e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0008hei95hik76821

The reciprocal of 21992 in Base 21 Unovigesimal.

Palindrome?

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

The number 27i521 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 ninety-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 ninety-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 ninety-two has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
2749
64j21
Two Thousand Seven Hundred and Forty-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

2213 · 64j211 = 27i521

Base Conversions

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