The Number

10987

Ten Thousand Nine Hundred and Eighty-Seven

In Base 21 Unovigesimal Is

13j421

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

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

Nearby Numbers

Positive, nonzero integers within three units

10984
13j121
Ten Thousand Nine Hundred and Eighty-Four in Base 21 Unovigesimal
10985
13j221
Ten Thousand Nine Hundred and Eighty-Five in Base 21 Unovigesimal
10986
13j321
Ten Thousand Nine Hundred and Eighty-Six in Base 21 Unovigesimal
10988
13j521
Ten Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
10989
13j621
Ten Thousand Nine Hundred and Eighty-Nine in Base 21 Unovigesimal
10990
13j721
Ten Thousand Nine Hundred and Ninety in Base 21 Unovigesimal

Scientific Notation

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

1.0987e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000hef313gj4ejf21

The reciprocal of 10987 in Base 21 Unovigesimal.

Palindrome?

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

The number 13j421 is not a palindrome.

A Prime Number

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

Ten thousand nine hundred and eighty-seven is the 1334th prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

Ten Thousand Nine Hundred and Eighty-Seven is not a composite number because it has exactly two factors: One and Ten Thousand Nine Hundred and Eighty-Seven

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number ten thousand nine hundred and eighty-seven has the following 1 prime factor:

10987
13j421
Ten Thousand Nine Hundred and Eighty-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

13j4211 = 13j421

Base Conversions

The number ten thousand nine hundred and eighty-seven in 35 different bases