The Number

212821

Two Hundred and Twelve Thousand Eight Hundred and Twenty-One

In Base 13 Tridecimal Is

75b3b13

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

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

Nearby Numbers

Positive, nonzero integers within three units

212818
75b3813
Two Hundred and Twelve Thousand Eight Hundred and Eightteen in Base 13 Tridecimal
212819
75b3913
Two Hundred and Twelve Thousand Eight Hundred and Nineteen in Base 13 Tridecimal
212820
75b3a13
Two Hundred and Twelve Thousand Eight Hundred and Twenty in Base 13 Tridecimal
212822
75b3c13
Two Hundred and Twelve Thousand Eight Hundred and Twenty-Two in Base 13 Tridecimal
212823
75b4013
Two Hundred and Twelve Thousand Eight Hundred and Twenty-Three in Base 13 Tridecimal
212824
75b4113
Two Hundred and Twelve 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.

2.12821e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000198ac344655221113

The reciprocal of 212821 in Base 13 Tridecimal.

Palindrome?

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

The number 75b3b13 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 twelve thousand eight hundred and twenty-one is a composite number with 4 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 twelve thousand eight hundred and twenty-one is a composite number with 4 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 twelve thousand eight hundred and twenty-one has the following 2 prime factors:

7
713
Seven in Base 13 Tridecimal
30403
10ab913
Thirty Thousand Four Hundred and Three in Base 13 Tridecimal

Prime Factorization

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

7131 · 10ab9131 = 75b3b13

Base Conversions

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