The Number

181165

One Hundred and Eighty-One Thousand One Hundred and Sixty-Five

In Base 13 Tridecimal Is

645ca13

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

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

Nearby Numbers

Positive, nonzero integers within three units

181162
645c713
One Hundred and Eighty-One Thousand One Hundred and Sixty-Two in Base 13 Tridecimal
181163
645c813
One Hundred and Eighty-One Thousand One Hundred and Sixty-Three in Base 13 Tridecimal
181164
645c913
One Hundred and Eighty-One Thousand One Hundred and Sixty-Four in Base 13 Tridecimal
181166
645cb13
One Hundred and Eighty-One Thousand One Hundred and Sixty-Six in Base 13 Tridecimal
181167
645cc13
One Hundred and Eighty-One Thousand One Hundred and Sixty-Seven in Base 13 Tridecimal
181168
6460013
One Hundred and Eighty-One Thousand One Hundred and Sixty-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.

1.81165e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000020849058c49036513

The reciprocal of 181165 in Base 13 Tridecimal.

Palindrome?

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

The number 645ca13 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-one thousand one hundred and sixty-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-one thousand one hundred and sixty-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-one thousand one hundred and sixty-five has the following 3 prime factors:

5
513
Five in Base 13 Tridecimal
19
1613
Nineteen in Base 13 Tridecimal
1907
b3913
One Thousand Nine Hundred and 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

5131 · 16131 · b39131 = 645ca13

Base Conversions

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