The Number

13391

Thirteen Thousand Three Hundred and Ninety-One

In Base 21 Unovigesimal Is

197e21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

13388
197b21
Thirteen Thousand Three Hundred and Eighty-Eight in Base 21 Unovigesimal
13389
197c21
Thirteen Thousand Three Hundred and Eighty-Nine in Base 21 Unovigesimal
13390
197d21
Thirteen Thousand Three Hundred and Ninety in Base 21 Unovigesimal
13392
197f21
Thirteen Thousand Three Hundred and Ninety-Two in Base 21 Unovigesimal
13393
197g21
Thirteen Thousand Three Hundred and Ninety-Three in Base 21 Unovigesimal
13394
197h21
Thirteen Thousand Three Hundred and Ninety-Four in Base 21 Unovigesimal

Scientific Notation

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

1.3391e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000eakfja8g40cd21

The reciprocal of 13391 in Base 21 Unovigesimal.

Palindrome?

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

The number 197e21 is not a palindrome.

Not A Prime Number

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

Thirteen thousand three hundred and ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Thirteen thousand three hundred and ninety-one is a composite number with 4 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 thirteen thousand three hundred and ninety-one has the following 2 prime factors:

7
721
Seven in Base 21 Unovigesimal
1913
47221
One Thousand Nine Hundred and Thirteen in Base 21 Unovigesimal

Prime Factorization

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

7211 · 472211 = 197e21

Base Conversions

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