The Number

9990

Nine Thousand Nine Hundred and Ninety

In Base 19 Nonadecimal Is

18cf19

The numbers with a 19 subscript use Base 19 Nonadecimal 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
18cc19
Nine Thousand Nine Hundred and Eighty-Seven in Base 19 Nonadecimal
9988
18cd19
Nine Thousand Nine Hundred and Eighty-Eight in Base 19 Nonadecimal
9989
18ce19
Nine Thousand Nine Hundred and Eighty-Nine in Base 19 Nonadecimal
9991
18cg19
Nine Thousand Nine Hundred and Ninety-One in Base 19 Nonadecimal
9992
18ch19
Nine Thousand Nine Hundred and Ninety-Two in Base 19 Nonadecimal
9993
18ci19
Nine Thousand Nine Hundred and Ninety-Three in Base 19 Nonadecimal

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.

0.000d0g5c6g27aehd19

The reciprocal of 9990 in Base 19 Nonadecimal.

Palindrome?

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

The number 18cf19 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 19 Nonadecimal

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
219
Two in Base 19 Nonadecimal
3
319
Three in Base 19 Nonadecimal
5
519
Five in Base 19 Nonadecimal
37
1i19
Thirty-Seven in Base 19 Nonadecimal

Prime Factorization

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

2191 · 3193 · 5191 · 1i191 = 18cf19

Base Conversions

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