The Number

9999

Nine Thousand Nine Hundred and Ninety-Nine

In Base 21 Unovigesimal Is

11e321

The numbers with a 21 subscript use Base 21 Unovigesimal 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
11e021
Nine Thousand Nine Hundred and Ninety-Six in Base 21 Unovigesimal
9997
11e121
Nine Thousand Nine Hundred and Ninety-Seven in Base 21 Unovigesimal
9998
11e221
Nine Thousand Nine Hundred and Ninety-Eight in Base 21 Unovigesimal
10000
11e421
Ten Thousand in Base 21 Unovigesimal
10001
11e521
Ten Thousand and One in Base 21 Unovigesimal
10002
11e621
Ten Thousand and Two in Base 21 Unovigesimal

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.

0.000j999i456b73921

The reciprocal of 9999 in Base 21 Unovigesimal.

Palindrome?

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

The number 11e321 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 21 Unovigesimal

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
321
Three in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
101
4h21
One Hundred and One in Base 21 Unovigesimal

Prime Factorization

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

3212 · b211 · 4h211 = 11e321

Base Conversions

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