The Number

31889

Thirty-One Thousand Eight Hundred and Eighty-Nine

In Base 21 Unovigesimal Is

396b21

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

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

Nearby Numbers

Positive, nonzero integers within three units

31886
396821
Thirty-One Thousand Eight Hundred and Eighty-Six in Base 21 Unovigesimal
31887
396921
Thirty-One Thousand Eight Hundred and Eighty-Seven in Base 21 Unovigesimal
31888
396a21
Thirty-One Thousand Eight Hundred and Eighty-Eight in Base 21 Unovigesimal
31890
396c21
Thirty-One Thousand Eight Hundred and Ninety in Base 21 Unovigesimal
31891
396d21
Thirty-One Thousand Eight Hundred and Ninety-One in Base 21 Unovigesimal
31892
396e21
Thirty-One Thousand Eight Hundred and Ninety-Two in Base 21 Unovigesimal

Scientific Notation

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

3.1889e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000621ajbi3k4eic21

The reciprocal of 31889 in Base 21 Unovigesimal.

Palindrome?

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

The number 396b21 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Thirty-one thousand eight hundred and eighty-nine 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.

Thirty-one thousand eight hundred and eighty-nine 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 thirty-one thousand eight hundred and eighty-nine has the following 3 prime factors:

11
b21
Eleven in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
223
ad21
Two Hundred and Twenty-Three in Base 21 Unovigesimal

Prime Factorization

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

b211 · d211 · ad211 = 396b21

Base Conversions

The number thirty-one thousand eight hundred and eighty-nine in 35 different bases