The Number

180815

One Hundred and Eighty Thousand Eight Hundred and Fifteen

In Base 13 Tridecimal Is

643bb13

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

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

Nearby Numbers

Positive, nonzero integers within three units

180812
643b813
One Hundred and Eighty Thousand Eight Hundred and Twelve in Base 13 Tridecimal
180813
643b913
One Hundred and Eighty Thousand Eight Hundred and Thirteen in Base 13 Tridecimal
180814
643ba13
One Hundred and Eighty Thousand Eight Hundred and Fourteen in Base 13 Tridecimal
180816
643bc13
One Hundred and Eighty Thousand Eight Hundred and Sixteen in Base 13 Tridecimal
180817
643c013
One Hundred and Eighty Thousand Eight Hundred and Seventeen in Base 13 Tridecimal
180818
643c113
One Hundred and Eighty Thousand Eight Hundred and Eightteen in Base 13 Tridecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.80815e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000020905453345a00213

The reciprocal of 180815 in Base 13 Tridecimal.

Palindrome?

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

The number 643bb13 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 fifteen is a composite number with 12 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 fifteen is a composite number with 12 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 fifteen has the following 3 prime factors:

5
513
Five in Base 13 Tridecimal
29
2313
Twenty-Nine in Base 13 Tridecimal
43
3413
Forty-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

5131 · 23132 · 34131 = 643bb13

Base Conversions

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