The Number

87998

Eighty-Seven Thousand Nine Hundred and Ninety-Eight

In Base 21 Unovigesimal Is

9ab821

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

87995
9ab521
Eighty-Seven Thousand Nine Hundred and Ninety-Five in Base 21 Unovigesimal
87996
9ab621
Eighty-Seven Thousand Nine Hundred and Ninety-Six in Base 21 Unovigesimal
87997
9ab721
Eighty-Seven Thousand Nine Hundred and Ninety-Seven in Base 21 Unovigesimal
87999
9ab921
Eighty-Seven Thousand Nine Hundred and Ninety-Nine in Base 21 Unovigesimal
88000
9aba21
Eighty-Eight Thousand in Base 21 Unovigesimal
88001
9abb21
Eighty-Eight Thousand and One in Base 21 Unovigesimal

Scientific Notation

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

8.7998e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000248d7kfjh102421

The reciprocal of 87998 in Base 21 Unovigesimal.

Palindrome?

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

The number 9ab821 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Eighty-seven thousand nine hundred and ninety-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eighty-seven thousand nine hundred and ninety-eight is a composite number with 8 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 eighty-seven thousand nine hundred and ninety-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
23
1221
Twenty-Three in Base 21 Unovigesimal
1913
47221
One Thousand Nine Hundred and Thirteen in Base 21 Unovigesimal

Prime Factorization

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

2211 · 12211 · 472211 = 9ab821

Base Conversions

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