The Number

90021

Ninety Thousand and Twenty-One

In Base 15 Quindecimal Is

1ba1615

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

90018
1ba1315
Ninety Thousand and Eightteen in Base 15 Quindecimal
90019
1ba1415
Ninety Thousand and Nineteen in Base 15 Quindecimal
90020
1ba1515
Ninety Thousand and Twenty in Base 15 Quindecimal
90022
1ba1715
Ninety Thousand and Twenty-Two in Base 15 Quindecimal
90023
1ba1815
Ninety Thousand and Twenty-Three in Base 15 Quindecimal
90024
1ba1915
Ninety Thousand and Twenty-Four in Base 15 Quindecimal

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.

0.0000867edbd5988d1315

The reciprocal of 90021 in Base 15 Quindecimal.

Palindrome?

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

The number 1ba1615 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 15 Quindecimal

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
315
Three in Base 15 Quindecimal
37
2715
Thirty-Seven in Base 15 Quindecimal
811
39115
Eight Hundred and Eleven in Base 15 Quindecimal

Prime Factorization

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

3151 · 27151 · 391151 = 1ba1615

Base Conversions

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