The Number

90021

Ninety Thousand and Twenty-One

In Base 21 Unovigesimal Is

9f2f21

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

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

Nearby Numbers

Positive, nonzero integers within three units

90018
9f2c21
Ninety Thousand and Eightteen in Base 21 Unovigesimal
90019
9f2d21
Ninety Thousand and Nineteen in Base 21 Unovigesimal
90020
9f2e21
Ninety Thousand and Twenty in Base 21 Unovigesimal
90022
9f2g21
Ninety Thousand and Twenty-Two in Base 21 Unovigesimal
90023
9f2h21
Ninety Thousand and Twenty-Three in Base 21 Unovigesimal
90024
9f2i21
Ninety Thousand and Twenty-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.

9.0021e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000237f8k1h5111621

The reciprocal of 90021 in Base 21 Unovigesimal.

Palindrome?

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

The number 9f2f21 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 twenty-one 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.

Ninety thousand and twenty-one 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 ninety thousand and twenty-one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
37
1g21
Thirty-Seven in Base 21 Unovigesimal
811
1hd21
Eight Hundred and Eleven in Base 21 Unovigesimal

Prime Factorization

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

3211 · 1g211 · 1hd211 = 9f2f21

Base Conversions

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