The Number

12931

Twelve Thousand Nine Hundred and Thirty-One

In Base 21 Unovigesimal Is

186g21

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

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

Nearby Numbers

Positive, nonzero integers within three units

12928
186d21
Twelve Thousand Nine Hundred and Twenty-Eight in Base 21 Unovigesimal
12929
186e21
Twelve Thousand Nine Hundred and Twenty-Nine in Base 21 Unovigesimal
12930
186f21
Twelve Thousand Nine Hundred and Thirty in Base 21 Unovigesimal
12932
186h21
Twelve Thousand Nine Hundred and Thirty-Two in Base 21 Unovigesimal
12933
186i21
Twelve Thousand Nine Hundred and Thirty-Three in Base 21 Unovigesimal
12934
186j21
Twelve Thousand Nine Hundred and Thirty-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.

1.2931e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000f0hcbc88gei321

The reciprocal of 12931 in Base 21 Unovigesimal.

Palindrome?

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

The number 186g21 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 nine hundred and thirty-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.

Twelve thousand nine hundred and thirty-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 twelve thousand nine hundred and thirty-one has the following 2 prime factors:

67
3421
Sixty-Seven in Base 21 Unovigesimal
193
9421
One Hundred and Ninety-Three in Base 21 Unovigesimal

Prime Factorization

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

34211 · 94211 = 186g21

Base Conversions

The number twelve thousand nine hundred and thirty-one in 35 different bases