The Number

19980

Nineteen Thousand Nine Hundred and Eighty

In Base 18 Octodecimal Is

37c018

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

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

Nearby Numbers

Positive, nonzero integers within three units

19977
37bf18
Nineteen Thousand Nine Hundred and Seventy-Seven in Base 18 Octodecimal
19978
37bg18
Nineteen Thousand Nine Hundred and Seventy-Eight in Base 18 Octodecimal
19979
37bh18
Nineteen Thousand Nine Hundred and Seventy-Nine in Base 18 Octodecimal
19981
37c118
Nineteen Thousand Nine Hundred and Eighty-One in Base 18 Octodecimal
19982
37c218
Nineteen Thousand Nine Hundred and Eighty-Two in Base 18 Octodecimal
19983
37c318
Nineteen Thousand Nine Hundred and Eighty-Three in Base 18 Octodecimal

Scientific Notation

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

1.9980e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00054a5ba771f4h618

The reciprocal of 19980 in Base 18 Octodecimal.

Palindrome?

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

The number 37c018 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 eighty is a composite number with 48 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 eighty is a composite number with 48 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 eighty has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
37
2118
Thirty-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

2182 · 3183 · 5181 · 21181 = 37c018

Base Conversions

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