The Number

11998

Eleven Thousand Nine Hundred and Ninety-Eight

In Base 18 Octodecimal Is

210a18

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

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

Nearby Numbers

Positive, nonzero integers within three units

11995
210718
Eleven Thousand Nine Hundred and Ninety-Five in Base 18 Octodecimal
11996
210818
Eleven Thousand Nine Hundred and Ninety-Six in Base 18 Octodecimal
11997
210918
Eleven Thousand Nine Hundred and Ninety-Seven in Base 18 Octodecimal
11999
210b18
Eleven Thousand Nine Hundred and Ninety-Nine in Base 18 Octodecimal
12000
210c18
Twelve Thousand in Base 18 Octodecimal
12001
210d18
Twelve Thousand and 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.

1.1998e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0008d8ef25b9bh6118

The reciprocal of 11998 in Base 18 Octodecimal.

Palindrome?

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

The number 210a18 is not a palindrome.

Not A Prime Number

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

Eleven thousand nine hundred and ninety-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Eleven thousand nine hundred and ninety-eight 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 eleven thousand nine hundred and ninety-eight has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
857
2bb18
Eight Hundred and Fifty-Seven 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 · 7181 · 2bb181 = 210a18

Base Conversions

The number eleven thousand nine hundred and ninety-eight in 35 different bases