The Number

90021

Ninety Thousand and Twenty-One

In Base 13 Tridecimal Is

31c8913

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

90018
31c8613
Ninety Thousand and Eightteen in Base 13 Tridecimal
90019
31c8713
Ninety Thousand and Nineteen in Base 13 Tridecimal
90020
31c8813
Ninety Thousand and Twenty in Base 13 Tridecimal
90022
31c8a13
Ninety Thousand and Twenty-Two in Base 13 Tridecimal
90023
31c8b13
Ninety Thousand and Twenty-Three in Base 13 Tridecimal
90024
31c8c13
Ninety Thousand and Twenty-Four in Base 13 Tridecimal

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.

0.00004180739017302ba13

The reciprocal of 90021 in Base 13 Tridecimal.

Palindrome?

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

The number 31c8913 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 13 Tridecimal

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
313
Three in Base 13 Tridecimal
37
2b13
Thirty-Seven in Base 13 Tridecimal
811
4a513
Eight Hundred and Eleven in Base 13 Tridecimal

Prime Factorization

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

3131 · 2b131 · 4a5131 = 31c8913

Base Conversions

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