The Number

15990

Fifteen Thousand Nine Hundred and Ninety

In Base 18 Octodecimal Is

2d6618

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

For more familiar numbers: See Fifteen Thousand Nine Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

15987
2d6318
Fifteen Thousand Nine Hundred and Eighty-Seven in Base 18 Octodecimal
15988
2d6418
Fifteen Thousand Nine Hundred and Eighty-Eight in Base 18 Octodecimal
15989
2d6518
Fifteen Thousand Nine Hundred and Eighty-Nine in Base 18 Octodecimal
15991
2d6718
Fifteen Thousand Nine Hundred and Ninety-One in Base 18 Octodecimal
15992
2d6818
Fifteen Thousand Nine Hundred and Ninety-Two in Base 18 Octodecimal
15993
2d6918
Fifteen Thousand Nine Hundred and Ninety-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.

1.5990e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0006a31c4g4daahg18

The reciprocal of 15990 in Base 18 Octodecimal.

Palindrome?

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

The number 2d6618 is not a palindrome.

Not A Prime Number

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

Fifteen thousand nine hundred and ninety is a composite number with 32 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Fifteen thousand nine hundred and ninety is a composite number with 32 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 fifteen thousand nine hundred and ninety has the following 5 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal
41
2518
Forty-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

2181 · 3181 · 5181 · d181 · 25181 = 2d6618

Base Conversions

The number fifteen thousand nine hundred and ninety in 35 different bases