The Number

101987

One Hundred and One Thousand Nine Hundred and Eighty-Seven

In Base 21 Unovigesimal Is

b05b21

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

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

Nearby Numbers

Positive, nonzero integers within three units

101984
b05821
One Hundred and One Thousand Nine Hundred and Eighty-Four in Base 21 Unovigesimal
101985
b05921
One Hundred and One Thousand Nine Hundred and Eighty-Five in Base 21 Unovigesimal
101986
b05a21
One Hundred and One Thousand Nine Hundred and Eighty-Six in Base 21 Unovigesimal
101988
b05c21
One Hundred and One Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
101989
b05d21
One Hundred and One Thousand Nine Hundred and Eighty-Nine in Base 21 Unovigesimal
101990
b05e21
One Hundred and One 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.

1.01987e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j0jkci7ii2cj21

The reciprocal of 101987 in Base 21 Unovigesimal.

Palindrome?

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

The number b05b21 is not a palindrome.

A Prime Number

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

One hundred and one thousand nine hundred and eighty-seven is the 9765th prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

One Hundred and One Thousand Nine Hundred and Eighty-Seven is not a composite number because it has exactly two factors: One and One Hundred and One 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 one hundred and one thousand nine hundred and eighty-seven has the following 1 prime factor:

101987
b05b21
One Hundred and One 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

b05b211 = b05b21

Base Conversions

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