The Number

9990

Nine Thousand Nine Hundred and Ninety

In Base 25 Pentavigesimal Is

fof25

The numbers with a 25 subscript use Base 25 Pentavigesimal 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
foc25
Nine Thousand Nine Hundred and Eighty-Seven in Base 25 Pentavigesimal
9988
fod25
Nine Thousand Nine Hundred and Eighty-Eight in Base 25 Pentavigesimal
9989
foe25
Nine Thousand Nine Hundred and Eighty-Nine in Base 25 Pentavigesimal
9991
fog25
Nine Thousand Nine Hundred and Ninety-One in Base 25 Pentavigesimal
9992
foh25
Nine Thousand Nine Hundred and Ninety-Two in Base 25 Pentavigesimal
9993
foi25
Nine Thousand Nine Hundred and Ninety-Three in Base 25 Pentavigesimal

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.

0.001e2dcd33cmcj25

The reciprocal of 9990 in Base 25 Pentavigesimal.

Palindrome?

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

The number fof25 is 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 25 Pentavigesimal

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
225
Two in Base 25 Pentavigesimal
3
325
Three in Base 25 Pentavigesimal
5
525
Five in Base 25 Pentavigesimal
37
1c25
Thirty-Seven in Base 25 Pentavigesimal

Prime Factorization

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

2251 · 3253 · 5251 · 1c251 = fof25

Base Conversions

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