The Number

12391

Twelve Thousand Three Hundred and Ninety-One

In Base 20 Vigesimal Is

1ajb20

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

12388
1aj820
Twelve Thousand Three Hundred and Eighty-Eight in Base 20 Vigesimal
12389
1aj920
Twelve Thousand Three Hundred and Eighty-Nine in Base 20 Vigesimal
12390
1aja20
Twelve Thousand Three Hundred and Ninety in Base 20 Vigesimal
12392
1ajc20
Twelve Thousand Three Hundred and Ninety-Two in Base 20 Vigesimal
12393
1ajd20
Twelve Thousand Three Hundred and Ninety-Three in Base 20 Vigesimal
12394
1aje20
Twelve Thousand Three Hundred and Ninety-Four in Base 20 Vigesimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.2391e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ci50fd2c3jd8620

The reciprocal of 12391 in Base 20 Vigesimal.

Palindrome?

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

The number 1ajb20 is not a palindrome.

A Prime Number

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

Twelve thousand three hundred and ninety-one is the 1479th prime number.   See primes in Base 20 Vigesimal

Not A Composite

Composites have more than just these two factors.

Twelve Thousand Three Hundred and Ninety-One is not a composite number because it has exactly two factors: One and Twelve Thousand Three Hundred and Ninety-One

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-one has the following 1 prime factor:

12391
1ajb20
Twelve Thousand Three Hundred and Ninety-One in Base 20 Vigesimal

Prime Factorization

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

1ajb201 = 1ajb20

Base Conversions

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