The Number

27991

Twenty-Seven Thousand Nine Hundred and Ninety-One

In Base 31 Untrigesimal Is

t3t31

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

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

Nearby Numbers

Positive, nonzero integers within three units

27988
t3q31
Twenty-Seven Thousand Nine Hundred and Eighty-Eight in Base 31 Untrigesimal
27989
t3r31
Twenty-Seven Thousand Nine Hundred and Eighty-Nine in Base 31 Untrigesimal
27990
t3s31
Twenty-Seven Thousand Nine Hundred and Ninety in Base 31 Untrigesimal
27992
t3u31
Twenty-Seven Thousand Nine Hundred and Ninety-Two in Base 31 Untrigesimal
27993
t4031
Twenty-Seven Thousand Nine Hundred and Ninety-Three in Base 31 Untrigesimal
27994
t4131
Twenty-Seven Thousand Nine Hundred and Ninety-Four in Base 31 Untrigesimal

Scientific Notation

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

2.7991e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0011uon95l72jd31

The reciprocal of 27991 in Base 31 Untrigesimal.

Palindrome?

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

The number t3t31 is a palindrome.

Not A Prime Number

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

Twenty-seven thousand nine hundred and ninety-one 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.

Twenty-seven thousand nine hundred and ninety-one 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 twenty-seven thousand nine hundred and ninety-one has the following 2 prime factors:

23
n31
Twenty-Three in Base 31 Untrigesimal
1217
18831
One Thousand Two Hundred and Seventeen in Base 31 Untrigesimal

Prime Factorization

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

n311 · 188311 = t3t31

Base Conversions

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