The Number

12981

Twelve Thousand Nine Hundred and Eighty-One

In Base 20 Vigesimal Is

1c9120

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

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

Nearby Numbers

Positive, nonzero integers within three units

12978
1c8i20
Twelve Thousand Nine Hundred and Seventy-Eight in Base 20 Vigesimal
12979
1c8j20
Twelve Thousand Nine Hundred and Seventy-Nine in Base 20 Vigesimal
12980
1c9020
Twelve Thousand Nine Hundred and Eighty in Base 20 Vigesimal
12982
1c9220
Twelve Thousand Nine Hundred and Eighty-Two in Base 20 Vigesimal
12983
1c9320
Twelve Thousand Nine Hundred and Eighty-Three in Base 20 Vigesimal
12984
1c9420
Twelve Thousand Nine Hundred and Eighty-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.

1.2981e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000c6a5d1f6hbe5g20

The reciprocal of 12981 in Base 20 Vigesimal.

Palindrome?

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

The number 1c9120 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 eighty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

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

3
320
Three in Base 20 Vigesimal
4327
ag720
Four Thousand Three Hundred and Twenty-Seven in Base 20 Vigesimal

Prime Factorization

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

3201 · ag7201 = 1c9120

Base Conversions

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