The Number

72821

Seventy-Two Thousand Eight Hundred and Twenty-One

In Base 13 Tridecimal Is

271b813

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

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

Nearby Numbers

Positive, nonzero integers within three units

72818
271b513
Seventy-Two Thousand Eight Hundred and Eightteen in Base 13 Tridecimal
72819
271b613
Seventy-Two Thousand Eight Hundred and Nineteen in Base 13 Tridecimal
72820
271b713
Seventy-Two Thousand Eight Hundred and Twenty in Base 13 Tridecimal
72822
271b913
Seventy-Two Thousand Eight Hundred and Twenty-Two in Base 13 Tridecimal
72823
271ba13
Seventy-Two Thousand Eight Hundred and Twenty-Three in Base 13 Tridecimal
72824
271bb13
Seventy-Two 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.

7.2821e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00005138b2685c9488513

The reciprocal of 72821 in Base 13 Tridecimal.

Palindrome?

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

The number 271b813 is not a palindrome.

Not A Prime Number

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

Seventy-two 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.

Seventy-two 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 seventy-two thousand eight hundred and twenty-one has the following 3 prime factors:

7
713
Seven in Base 13 Tridecimal
101
7a13
One Hundred and One in Base 13 Tridecimal
103
7c13
One 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 · 7a131 · 7c131 = 271b813

Base Conversions

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