The Number

19980

Nineteen Thousand Nine Hundred and Eighty

In Base 15 Quindecimal Is

5dc015

The numbers with a 15 subscript use Base 15 Quindecimal 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
5dbc15
Nineteen Thousand Nine Hundred and Seventy-Seven in Base 15 Quindecimal
19978
5dbd15
Nineteen Thousand Nine Hundred and Seventy-Eight in Base 15 Quindecimal
19979
5dbe15
Nineteen Thousand Nine Hundred and Seventy-Nine in Base 15 Quindecimal
19981
5dc115
Nineteen Thousand Nine Hundred and Eighty-One in Base 15 Quindecimal
19982
5dc215
Nineteen Thousand Nine Hundred and Eighty-Two in Base 15 Quindecimal
19983
5dc315
Nineteen Thousand Nine Hundred and Eighty-Three in Base 15 Quindecimal

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.

0.00028017c0da3832215

The reciprocal of 19980 in Base 15 Quindecimal.

Palindrome?

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

The number 5dc015 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 15 Quindecimal

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
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
37
2715
Thirty-Seven in Base 15 Quindecimal

Prime Factorization

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

2152 · 3153 · 5151 · 27151 = 5dc015

Base Conversions

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