The Number

9920

Nine Thousand Nine Hundred and Twenty

In Base 21 Unovigesimal Is

11a821

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

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

Nearby Numbers

Positive, nonzero integers within three units

9917
11a521
Nine Thousand Nine Hundred and Seventeen in Base 21 Unovigesimal
9918
11a621
Nine Thousand Nine Hundred and Eightteen in Base 21 Unovigesimal
9919
11a721
Nine Thousand Nine Hundred and Nineteen in Base 21 Unovigesimal
9921
11a921
Nine Thousand Nine Hundred and Twenty-One in Base 21 Unovigesimal
9922
11aa21
Nine Thousand Nine Hundred and Twenty-Two in Base 21 Unovigesimal
9923
11ab21
Nine Thousand Nine Hundred and Twenty-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.

9.920e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000jceg751fa9dh21

The reciprocal of 9920 in Base 21 Unovigesimal.

Palindrome?

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

The number 11a821 is not a palindrome.

Not A Prime Number

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

Nine thousand nine hundred and twenty is a composite number with 28 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Nine thousand nine hundred and twenty is a composite number with 28 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 nine thousand nine hundred and twenty has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
31
1a21
Thirty-One in Base 21 Unovigesimal

Prime Factorization

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

2216 · 5211 · 1a211 = 11a821

Base Conversions

The number nine thousand nine hundred and twenty in 35 different bases