The Number

90081

Ninety Thousand and Eighty-One

In Base 21 Unovigesimal Is

9f5c21

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

For more familiar numbers: See Ninety Thousand and Eighty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

90078
9f5921
Ninety Thousand and Seventy-Eight in Base 21 Unovigesimal
90079
9f5a21
Ninety Thousand and Seventy-Nine in Base 21 Unovigesimal
90080
9f5b21
Ninety Thousand and Eighty in Base 21 Unovigesimal
90082
9f5d21
Ninety Thousand and Eighty-Two in Base 21 Unovigesimal
90083
9f5e21
Ninety Thousand and Eighty-Three in Base 21 Unovigesimal
90084
9f5f21
Ninety Thousand and Eighty-Four in Base 21 Unovigesimal

Scientific Notation

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

9.0081e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00023722240ikgc821

The reciprocal of 90081 in Base 21 Unovigesimal.

Palindrome?

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

The number 9f5c21 is not a palindrome.

Not A Prime Number

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

Ninety thousand and eighty-one is a composite number with 6 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Ninety thousand and eighty-one is a composite number with 6 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 ninety thousand and eighty-one has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
10009
11ed21
Ten Thousand and Nine 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 · 11ed211 = 9f5c21

Base Conversions

The number ninety thousand and eighty-one in 35 different bases