The Number

9991

Nine Thousand Nine Hundred and Ninety-One

In Base 36 Hexatrigesimal Is

7pj36

The numbers with a 36 subscript use Base 36 Hexatrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

9988
7pg36
Nine Thousand Nine Hundred and Eighty-Eight in Base 36 Hexatrigesimal
9989
7ph36
Nine Thousand Nine Hundred and Eighty-Nine in Base 36 Hexatrigesimal
9990
7pi36
Nine Thousand Nine Hundred and Ninety in Base 36 Hexatrigesimal
9992
7pk36
Nine Thousand Nine Hundred and Ninety-Two in Base 36 Hexatrigesimal
9993
7pl36
Nine Thousand Nine Hundred and Ninety-Three in Base 36 Hexatrigesimal
9994
7pm36
Nine Thousand Nine Hundred and Ninety-Four in Base 36 Hexatrigesimal

Scientific Notation

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

9.991e3

Reciprocal

A number multiplied with its reciprocal is one.

0.004o42bjcpie436

The reciprocal of 9991 in Base 36 Hexatrigesimal.

Palindrome?

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

The number 7pj36 is not a palindrome.

Not A Prime Number

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

Nine thousand nine hundred and ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 36 Hexatrigesimal

A Composite

Composites have more than just these two factors.

Nine 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 nine thousand nine hundred and ninety-one has the following 2 prime factors:

97
2p36
Ninety-Seven in Base 36 Hexatrigesimal
103
2v36
One Hundred and Three in Base 36 Hexatrigesimal

Prime Factorization

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

2p361 · 2v361 = 7pj36

Base Conversions

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