The Number

216821

Two Hundred and Sixteen Thousand Eight Hundred and Twenty-One

In Base 13 Tridecimal Is

778c713

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

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

Nearby Numbers

Positive, nonzero integers within three units

216818
778c413
Two Hundred and Sixteen Thousand Eight Hundred and Eightteen in Base 13 Tridecimal
216819
778c513
Two Hundred and Sixteen Thousand Eight Hundred and Nineteen in Base 13 Tridecimal
216820
778c613
Two Hundred and Sixteen Thousand Eight Hundred and Twenty in Base 13 Tridecimal
216822
778c813
Two Hundred and Sixteen Thousand Eight Hundred and Twenty-Two in Base 13 Tridecimal
216823
778c913
Two Hundred and Sixteen Thousand Eight Hundred and Twenty-Three in Base 13 Tridecimal
216824
778ca13
Two Hundred and Sixteen 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.

2.16821e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00001935300aca3927613

The reciprocal of 216821 in Base 13 Tridecimal.

Palindrome?

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

The number 778c713 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 sixteen thousand eight hundred 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.

Two hundred and sixteen thousand eight hundred 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 two hundred and sixteen thousand eight hundred and twenty-one has the following 3 prime factors:

11
b13
Eleven in Base 13 Tridecimal
23
1a13
Twenty-Three in Base 13 Tridecimal
857
50c13
Eight Hundred and Fifty-Seven in Base 13 Tridecimal

Prime Factorization

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

b131 · 1a131 · 50c131 = 778c713

Base Conversions

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