The Number

180905

One Hundred and Eighty Thousand Nine Hundred and Five

In Base 13 Tridecimal Is

6445a13

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

For more familiar numbers: See One Hundred and Eighty Thousand Nine Hundred and Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

180902
6445713
One Hundred and Eighty Thousand Nine Hundred and Two in Base 13 Tridecimal
180903
6445813
One Hundred and Eighty Thousand Nine Hundred and Three in Base 13 Tridecimal
180904
6445913
One Hundred and Eighty Thousand Nine Hundred and Four in Base 13 Tridecimal
180906
6445b13
One Hundred and Eighty Thousand Nine Hundred and Six in Base 13 Tridecimal
180907
6445c13
One Hundred and Eighty Thousand Nine Hundred and Seven in Base 13 Tridecimal
180908
6446013
One Hundred and Eighty Thousand Nine Hundred and Eight in Base 13 Tridecimal

Scientific Notation

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

1.80905e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000208b221347672bc13

The reciprocal of 180905 in Base 13 Tridecimal.

Palindrome?

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

The number 6445a13 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 nine hundred and five 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.

One hundred and eighty thousand nine hundred and five 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 one hundred and eighty thousand nine hundred and five has the following 3 prime factors:

5
513
Five in Base 13 Tridecimal
97
7613
Ninety-Seven in Base 13 Tridecimal
373
22913
Three Hundred and Seventy-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 · 76131 · 229131 = 6445a13

Base Conversions

The number one hundred and eighty thousand nine hundred and five in 35 different bases