The Number

12940

Twelve Thousand Nine Hundred and Forty

In Base 21 Unovigesimal Is

187421

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

For more familiar numbers: See Twelve Thousand Nine Hundred and Forty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

12937
187121
Twelve Thousand Nine Hundred and Thirty-Seven in Base 21 Unovigesimal
12938
187221
Twelve Thousand Nine Hundred and Thirty-Eight in Base 21 Unovigesimal
12939
187321
Twelve Thousand Nine Hundred and Thirty-Nine in Base 21 Unovigesimal
12941
187521
Twelve Thousand Nine Hundred and Forty-One in Base 21 Unovigesimal
12942
187621
Twelve Thousand Nine Hundred and Forty-Two in Base 21 Unovigesimal
12943
187721
Twelve Thousand Nine Hundred and Forty-Three in Base 21 Unovigesimal

Scientific Notation

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

1.2940e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000f0cke4c2k15d21

The reciprocal of 12940 in Base 21 Unovigesimal.

Palindrome?

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

The number 187421 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 forty is a composite number with 12 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 forty is a composite number with 12 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 forty has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
647
19h21
Six Hundred and Forty-Seven in Base 21 Unovigesimal

Prime Factorization

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

2212 · 5211 · 19h211 = 187421

Base Conversions

The number twelve thousand nine hundred and forty in 35 different bases