The Number

13821

Thirteen Thousand Eight Hundred and Twenty-One

In Base 13 Tridecimal Is

63a213

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

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

Nearby Numbers

Positive, nonzero integers within three units

13818
639c13
Thirteen Thousand Eight Hundred and Eightteen in Base 13 Tridecimal
13819
63a013
Thirteen Thousand Eight Hundred and Nineteen in Base 13 Tridecimal
13820
63a113
Thirteen Thousand Eight Hundred and Twenty in Base 13 Tridecimal
13822
63a313
Thirteen Thousand Eight Hundred and Twenty-Two in Base 13 Tridecimal
13823
63a413
Thirteen Thousand Eight Hundred and Twenty-Three in Base 13 Tridecimal
13824
63a513
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.

1.3821e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00020b31151354306513

The reciprocal of 13821 in Base 13 Tridecimal.

Palindrome?

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

The number 63a213 is not a palindrome.

Not A Prime Number

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

Thirteen 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.

Thirteen 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 thirteen thousand eight hundred and twenty-one has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
17
1413
Seventeen in Base 13 Tridecimal
271
17b13
Two Hundred and Seventy-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

3131 · 14131 · 17b131 = 63a213

Base Conversions

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