The Number

19918

Nineteen Thousand Nine Hundred and Eightteen

In Base 18 Octodecimal Is

378a18

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

For more familiar numbers: See Nineteen Thousand Nine Hundred and Eightteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

19915
378718
Nineteen Thousand Nine Hundred and Fifteen in Base 18 Octodecimal
19916
378818
Nineteen Thousand Nine Hundred and Sixteen in Base 18 Octodecimal
19917
378918
Nineteen Thousand Nine Hundred and Seventeen in Base 18 Octodecimal
19919
378b18
Nineteen Thousand Nine Hundred and Nineteen in Base 18 Octodecimal
19920
378c18
Nineteen Thousand Nine Hundred and Twenty in Base 18 Octodecimal
19921
378d18
Nineteen Thousand Nine 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.

1.9918e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00054fb07a8036g318

The reciprocal of 19918 in Base 18 Octodecimal.

Palindrome?

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

The number 378a18 is not a palindrome.

Not A Prime Number

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

Nineteen thousand nine hundred and eightteen 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.

Nineteen thousand nine 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 nineteen thousand nine hundred and eightteen has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
23
1518
Twenty-Three in Base 18 Octodecimal
433
16118
Four Hundred and Thirty-Three 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 · 15181 · 161181 = 378a18

Base Conversions

The number nineteen thousand nine hundred and eightteen in 35 different bases