The Number

31989

Thirty-One Thousand Nine Hundred and Eighty-Nine

In Base 31 Untrigesimal Is

128s31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

31986
128p31
Thirty-One Thousand Nine Hundred and Eighty-Six in Base 31 Untrigesimal
31987
128q31
Thirty-One Thousand Nine Hundred and Eighty-Seven in Base 31 Untrigesimal
31988
128r31
Thirty-One Thousand Nine Hundred and Eighty-Eight in Base 31 Untrigesimal
31990
128t31
Thirty-One Thousand Nine Hundred and Ninety in Base 31 Untrigesimal
31991
128u31
Thirty-One Thousand Nine Hundred and Ninety-One in Base 31 Untrigesimal
31992
129031
Thirty-One Thousand Nine Hundred and Ninety-Two in Base 31 Untrigesimal

Scientific Notation

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

3.1989e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000squ0puhfqc31

The reciprocal of 31989 in Base 31 Untrigesimal.

Palindrome?

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

The number 128s31 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 nine hundred and eighty-nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Thirty-one thousand nine hundred and eighty-nine is a composite number with 4 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 nine hundred and eighty-nine has the following 2 prime factors:

3
331
Three in Base 31 Untrigesimal
10663
b2u31
Ten Thousand Six Hundred and Sixty-Three in Base 31 Untrigesimal

Prime Factorization

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

3311 · b2u311 = 128s31

Base Conversions

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