The Number

9999

Nine Thousand Nine Hundred and Ninety-Nine

In Base 18 Octodecimal Is

1cf918

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

9996
1cf618
Nine Thousand Nine Hundred and Ninety-Six in Base 18 Octodecimal
9997
1cf718
Nine Thousand Nine Hundred and Ninety-Seven in Base 18 Octodecimal
9998
1cf818
Nine Thousand Nine Hundred and Ninety-Eight in Base 18 Octodecimal
10000
1cfa18
Ten Thousand in Base 18 Octodecimal
10001
1cfb18
Ten Thousand and One in Base 18 Octodecimal
10002
1cfc18
Ten Thousand and Two in Base 18 Octodecimal

Scientific Notation

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

9.999e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000a8ha24eg56ee18

The reciprocal of 9999 in Base 18 Octodecimal.

Palindrome?

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

The number 1cf918 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-nine is a composite number with 12 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Nine thousand nine hundred and ninety-nine is a composite number with 12 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-nine has the following 3 prime factors:

3
318
Three in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal
101
5b18
One Hundred and One in Base 18 Octodecimal

Prime Factorization

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

3182 · b181 · 5b181 = 1cf918

Base Conversions

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