The Number

213821

Two Hundred and Thirteen Thousand Eight Hundred and Twenty-One

In Base 13 Tridecimal Is

7642a13

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

For more familiar numbers: See Two Hundred and Thirteen Thousand Eight Hundred and Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

213818
7642713
Two Hundred and Thirteen Thousand Eight Hundred and Eightteen in Base 13 Tridecimal
213819
7642813
Two Hundred and Thirteen Thousand Eight Hundred and Nineteen in Base 13 Tridecimal
213820
7642913
Two Hundred and Thirteen Thousand Eight Hundred and Twenty in Base 13 Tridecimal
213822
7642b13
Two Hundred and Thirteen Thousand Eight Hundred and Twenty-Two in Base 13 Tridecimal
213823
7642c13
Two Hundred and Thirteen Thousand Eight Hundred and Twenty-Three in Base 13 Tridecimal
213824
7643013
Two Hundred and Thirteen Thousand Eight Hundred 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.

2.13821e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000197602b0890ca7713

The reciprocal of 213821 in Base 13 Tridecimal.

Palindrome?

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

The number 7642a13 is not a palindrome.

Not A Prime Number

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

Two hundred and thirteen thousand eight hundred and twenty-one is a composite number with 2 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Two hundred and thirteen thousand eight hundred and twenty-one is a composite number with 2 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 two hundred and thirteen thousand eight hundred and twenty-one has the following 1 prime factor:

213821
7642a13
Two Hundred and Thirteen Thousand Eight Hundred and Twenty-One in Base 13 Tridecimal

Prime Factorization

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

7642a131 = 7642a13

Base Conversions

The number two hundred and thirteen thousand eight hundred and twenty-one in 35 different bases