The Number

180821

One Hundred and Eighty Thousand Eight Hundred and Twenty-One

In Base 13 Tridecimal Is

643c413

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

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

Nearby Numbers

Positive, nonzero integers within three units

180818
643c113
One Hundred and Eighty Thousand Eight Hundred and Eightteen in Base 13 Tridecimal
180819
643c213
One Hundred and Eighty Thousand Eight Hundred and Nineteen in Base 13 Tridecimal
180820
643c313
One Hundred and Eighty Thousand Eight Hundred and Twenty in Base 13 Tridecimal
180822
643c513
One Hundred and Eighty Thousand Eight Hundred and Twenty-Two in Base 13 Tridecimal
180823
643c613
One Hundred and Eighty Thousand Eight Hundred and Twenty-Three in Base 13 Tridecimal
180824
643c713
One Hundred and Eighty 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.

1.80821e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00002090351498b461c13

The reciprocal of 180821 in Base 13 Tridecimal.

Palindrome?

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

The number 643c413 is not a palindrome.

Not A Prime Number

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

One hundred and eighty 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.

One hundred and eighty 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 one hundred and eighty thousand eight hundred and twenty-one has the following 2 prime factors:

73
5813
Seventy-Three in Base 13 Tridecimal
2477
118713
Two Thousand Four Hundred and Seventy-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

58131 · 1187131 = 643c413

Base Conversions

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