The Number

3990

Three Thousand Nine Hundred and Ninety

In Base 15 Quindecimal Is

12b015

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

3987
12ac15
Three Thousand Nine Hundred and Eighty-Seven in Base 15 Quindecimal
3988
12ad15
Three Thousand Nine Hundred and Eighty-Eight in Base 15 Quindecimal
3989
12ae15
Three Thousand Nine Hundred and Eighty-Nine in Base 15 Quindecimal
3991
12b115
Three Thousand Nine Hundred and Ninety-One in Base 15 Quindecimal
3992
12b215
Three Thousand Nine Hundred and Ninety-Two in Base 15 Quindecimal
3993
12b315
Three Thousand Nine Hundred and Ninety-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.

3.990e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000ca4bd72658b19815

The reciprocal of 3990 in Base 15 Quindecimal.

Palindrome?

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

The number 12b015 is not a palindrome.

Not A Prime Number

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

Three thousand nine hundred and ninety is a composite number with 32 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Three 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 three thousand nine hundred and ninety has the following 5 prime factors:

2
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
7
715
Seven in Base 15 Quindecimal
19
1415
Nineteen in Base 15 Quindecimal

Prime Factorization

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

2151 · 3151 · 5151 · 7151 · 14151 = 12b015

Base Conversions

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