The Number

12390

Twelve Thousand Three Hundred and Ninety

In Base 15 Quindecimal Is

3a1015

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

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

Nearby Numbers

Positive, nonzero integers within three units

12387
3a0c15
Twelve Thousand Three Hundred and Eighty-Seven in Base 15 Quindecimal
12388
3a0d15
Twelve Thousand Three Hundred and Eighty-Eight in Base 15 Quindecimal
12389
3a0e15
Twelve Thousand Three Hundred and Eighty-Nine in Base 15 Quindecimal
12391
3a1115
Twelve Thousand Three Hundred and Ninety-One in Base 15 Quindecimal
12392
3a1215
Twelve Thousand Three Hundred and Ninety-Two in Base 15 Quindecimal
12393
3a1315
Twelve Thousand Three 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.

1.2390e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000414518248db31115

The reciprocal of 12390 in Base 15 Quindecimal.

Palindrome?

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

The number 3a1015 is not a palindrome.

Not A Prime Number

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

Twelve thousand three 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.

Twelve thousand three 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 twelve thousand three 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
59
3e15
Fifty-Nine 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 · 3e151 = 3a1015

Base Conversions

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