The Number

90987

Ninety Thousand Nine Hundred and Eighty-Seven

In Base 21 Unovigesimal Is

9h6f21

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

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

Nearby Numbers

Positive, nonzero integers within three units

90984
9h6c21
Ninety Thousand Nine Hundred and Eighty-Four in Base 21 Unovigesimal
90985
9h6d21
Ninety Thousand Nine Hundred and Eighty-Five in Base 21 Unovigesimal
90986
9h6e21
Ninety Thousand Nine Hundred and Eighty-Six in Base 21 Unovigesimal
90988
9h6g21
Ninety Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
90989
9h6h21
Ninety Thousand Nine Hundred and Eighty-Nine in Base 21 Unovigesimal
90990
9h6i21
Ninety 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.

9.0987e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00022id04538ee9421

The reciprocal of 90987 in Base 21 Unovigesimal.

Palindrome?

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

The number 9h6f21 is not a palindrome.

Not A Prime Number

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

Ninety thousand nine hundred and eighty-seven is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Ninety thousand nine hundred and eighty-seven 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 ninety thousand nine hundred and eighty-seven has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
2333
56221
Two Thousand Three Hundred and Thirty-Three in Base 21 Unovigesimal

Prime Factorization

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

3211 · d211 · 562211 = 9h6f21

Base Conversions

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