The Number

21931

Twenty-One Thousand Nine Hundred and Thirty-One

In Base 20 Vigesimal Is

2egb20

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

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

Nearby Numbers

Positive, nonzero integers within three units

21928
2eg820
Twenty-One Thousand Nine Hundred and Twenty-Eight in Base 20 Vigesimal
21929
2eg920
Twenty-One Thousand Nine Hundred and Twenty-Nine in Base 20 Vigesimal
21930
2ega20
Twenty-One Thousand Nine Hundred and Thirty in Base 20 Vigesimal
21932
2egc20
Twenty-One Thousand Nine Hundred and Thirty-Two in Base 20 Vigesimal
21933
2egd20
Twenty-One Thousand Nine Hundred and Thirty-Three in Base 20 Vigesimal
21934
2ege20
Twenty-One Thousand Nine Hundred and Thirty-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.

2.1931e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00075i4h8d2h466d20

The reciprocal of 21931 in Base 20 Vigesimal.

Palindrome?

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

The number 2egb20 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand nine hundred and thirty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and thirty-one is a composite number with 8 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 twenty-one thousand nine hundred and thirty-one has the following 3 prime factors:

7
720
Seven in Base 20 Vigesimal
13
d20
Thirteen in Base 20 Vigesimal
241
c120
Two Hundred and Forty-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

7201 · d201 · c1201 = 2egb20

Base Conversions

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