The Number

221181

Two Hundred and Twenty-One Thousand One Hundred and Eighty-One

In Base 13 Tridecimal Is

7989c13

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

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

Nearby Numbers

Positive, nonzero integers within three units

221178
7989913
Two Hundred and Twenty-One Thousand One Hundred and Seventy-Eight in Base 13 Tridecimal
221179
7989a13
Two Hundred and Twenty-One Thousand One Hundred and Seventy-Nine in Base 13 Tridecimal
221180
7989b13
Two Hundred and Twenty-One Thousand One Hundred and Eighty in Base 13 Tridecimal
221182
798a013
Two Hundred and Twenty-One Thousand One Hundred and Eighty-Two in Base 13 Tridecimal
221183
798a113
Two Hundred and Twenty-One Thousand One Hundred and Eighty-Three in Base 13 Tridecimal
221184
798a213
Two Hundred and Twenty-One Thousand One Hundred and Eighty-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.

2.21181e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000018a90b7bb3267c513

The reciprocal of 221181 in Base 13 Tridecimal.

Palindrome?

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

The number 7989c13 is not a palindrome.

Not A Prime Number

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

Two hundred and twenty-one thousand one hundred and eighty-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.

Two hundred and twenty-one thousand one hundred and eighty-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 two hundred and twenty-one thousand one hundred and eighty-one has the following 2 prime factors:

3
313
Three in Base 13 Tridecimal
73727
2773413
Seventy-Three Thousand Seven Hundred and Twenty-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

3131 · 27734131 = 7989c13

Base Conversions

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