The Number

201989

Two Hundred and One Thousand Nine Hundred and Eighty-Nine

In Base 18 Octodecimal Is

1gb7b18

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

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

Nearby Numbers

Positive, nonzero integers within three units

201986
1gb7818
Two Hundred and One Thousand Nine Hundred and Eighty-Six in Base 18 Octodecimal
201987
1gb7918
Two Hundred and One Thousand Nine Hundred and Eighty-Seven in Base 18 Octodecimal
201988
1gb7a18
Two Hundred and One Thousand Nine Hundred and Eighty-Eight in Base 18 Octodecimal
201990
1gb7c18
Two Hundred and One Thousand Nine Hundred and Ninety in Base 18 Octodecimal
201991
1gb7d18
Two Hundred and One Thousand Nine Hundred and Ninety-One in Base 18 Octodecimal
201992
1gb7e18
Two Hundred and One Thousand Nine Hundred and Ninety-Two in Base 18 Octodecimal

Scientific Notation

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

2.01989e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000966h42g81985718

The reciprocal of 201989 in Base 18 Octodecimal.

Palindrome?

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

The number 1gb7b18 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 one thousand nine hundred and eighty-nine 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.

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

19
1118
Nineteen in Base 18 Octodecimal
10631
1eeb18
Ten Thousand Six Hundred and Thirty-One in Base 18 Octodecimal

Prime Factorization

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

11181 · 1eeb181 = 1gb7b18

Base Conversions

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