The Number

191818

One Hundred and Ninety-One Thousand Eight Hundred and Eightteen

In Base 19 Nonadecimal Is

18i6d19

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

191815
18i6a19
One Hundred and Ninety-One Thousand Eight Hundred and Fifteen in Base 19 Nonadecimal
191816
18i6b19
One Hundred and Ninety-One Thousand Eight Hundred and Sixteen in Base 19 Nonadecimal
191817
18i6c19
One Hundred and Ninety-One Thousand Eight Hundred and Seventeen in Base 19 Nonadecimal
191819
18i6e19
One Hundred and Ninety-One Thousand Eight Hundred and Nineteen in Base 19 Nonadecimal
191820
18i6f19
One Hundred and Ninety-One Thousand Eight Hundred and Twenty in Base 19 Nonadecimal
191821
18i6g19
One Hundred and Ninety-One Thousand Eight Hundred and Twenty-One in Base 19 Nonadecimal

Scientific Notation

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

1.91818e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ch4iidi3gh1i619

The reciprocal of 191818 in Base 19 Nonadecimal.

Palindrome?

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

The number 18i6d19 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 ninety-one thousand eight hundred and eightteen is a composite number with 8 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

One hundred and ninety-one thousand eight hundred and eightteen 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 ninety-one thousand eight hundred and eightteen has the following 3 prime factors:

2
219
Two in Base 19 Nonadecimal
11
b19
Eleven in Base 19 Nonadecimal
8719
152h19
Eight Thousand Seven Hundred and Nineteen in Base 19 Nonadecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2191 · b191 · 152h191 = 18i6d19

Base Conversions

The number one hundred and ninety-one thousand eight hundred and eightteen in 35 different bases