The Number

9990

Nine Thousand Nine Hundred and Ninety

In Base 22 Duovigesimal Is

ke222

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

9987
kdl22
Nine Thousand Nine Hundred and Eighty-Seven in Base 22 Duovigesimal
9988
ke022
Nine Thousand Nine Hundred and Eighty-Eight in Base 22 Duovigesimal
9989
ke122
Nine Thousand Nine Hundred and Eighty-Nine in Base 22 Duovigesimal
9991
ke322
Nine Thousand Nine Hundred and Ninety-One in Base 22 Duovigesimal
9992
ke422
Nine Thousand Nine Hundred and Ninety-Two in Base 22 Duovigesimal
9993
ke522
Nine Thousand Nine Hundred and Ninety-Three in Base 22 Duovigesimal

Scientific Notation

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

9.990e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00119j7a9c1d1f422

The reciprocal of 9990 in Base 22 Duovigesimal.

Palindrome?

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

The number ke222 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 is a composite number with 32 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

Nine thousand nine hundred and ninety is a composite number with 32 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 has the following 4 prime factors:

2
222
Two in Base 22 Duovigesimal
3
322
Three in Base 22 Duovigesimal
5
522
Five in Base 22 Duovigesimal
37
1f22
Thirty-Seven in Base 22 Duovigesimal

Prime Factorization

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

2221 · 3223 · 5221 · 1f221 = ke222

Base Conversions

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