The Number

12390

Twelve Thousand Three Hundred and Ninety

In Base 18 Octodecimal Is

224618

The numbers with a 18 subscript use Base 18 Octodecimal 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
224318
Twelve Thousand Three Hundred and Eighty-Seven in Base 18 Octodecimal
12388
224418
Twelve Thousand Three Hundred and Eighty-Eight in Base 18 Octodecimal
12389
224518
Twelve Thousand Three Hundred and Eighty-Nine in Base 18 Octodecimal
12391
224718
Twelve Thousand Three Hundred and Ninety-One in Base 18 Octodecimal
12392
224818
Twelve Thousand Three Hundred and Ninety-Two in Base 18 Octodecimal
12393
224918
Twelve Thousand Three 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.

1.2390e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00088927dh3a31f818

The reciprocal of 12390 in Base 18 Octodecimal.

Palindrome?

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

The number 224618 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 18 Octodecimal

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
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
59
3518
Fifty-Nine 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 · 7181 · 35181 = 224618

Base Conversions

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