The Number

161818

One Hundred and Sixty-One Thousand Eight Hundred and Eightteen

In Base 18 Octodecimal Is

19d7g18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

161815
19d7d18
One Hundred and Sixty-One Thousand Eight Hundred and Fifteen in Base 18 Octodecimal
161816
19d7e18
One Hundred and Sixty-One Thousand Eight Hundred and Sixteen in Base 18 Octodecimal
161817
19d7f18
One Hundred and Sixty-One Thousand Eight Hundred and Seventeen in Base 18 Octodecimal
161819
19d7h18
One Hundred and Sixty-One Thousand Eight Hundred and Nineteen in Base 18 Octodecimal
161820
19d8018
One Hundred and Sixty-One Thousand Eight Hundred and Twenty in Base 18 Octodecimal
161821
19d8118
One Hundred and Sixty-One Thousand Eight Hundred and Twenty-One in Base 18 Octodecimal

Scientific Notation

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

1.61818e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000bc36h3g3bd28618

The reciprocal of 161818 in Base 18 Octodecimal.

Palindrome?

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

The number 19d7g18 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 sixty-one thousand eight hundred and eightteen is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One hundred and sixty-one thousand eight hundred and eightteen 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 one hundred and sixty-one thousand eight hundred and eightteen has the following 2 prime factors:

2
218
Two in Base 18 Octodecimal
80909
dfch18
Eighty Thousand Nine Hundred and Nine in Base 18 Octodecimal

Prime Factorization

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

2181 · dfch181 = 19d7g18

Base Conversions

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