The Number

102991

One Hundred and Two Thousand Nine Hundred and Ninety-One

In Base 21 Unovigesimal Is

b2b721

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

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

Nearby Numbers

Positive, nonzero integers within three units

102988
b2b421
One Hundred and Two Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
102989
b2b521
One Hundred and Two Thousand Nine Hundred and Eighty-Nine in Base 21 Unovigesimal
102990
b2b621
One Hundred and Two Thousand Nine Hundred and Ninety in Base 21 Unovigesimal
102992
b2b821
One Hundred and Two Thousand Nine Hundred and Ninety-Two in Base 21 Unovigesimal
102993
b2b921
One Hundred and Two Thousand Nine Hundred and Ninety-Three in Base 21 Unovigesimal
102994
b2ba21
One Hundred and Two Thousand Nine Hundred and Ninety-Four in Base 21 Unovigesimal

Scientific Notation

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

1.02991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001idfh6d8b7c7e21

The reciprocal of 102991 in Base 21 Unovigesimal.

Palindrome?

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

The number b2b721 is not a palindrome.

Not A Prime Number

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

One hundred and two thousand nine hundred and ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and two thousand nine hundred and ninety-one is a composite number with 4 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 one hundred and two thousand nine hundred and ninety-one has the following 2 prime factors:

7
721
Seven in Base 21 Unovigesimal
14713
1c7d21
Fourteen Thousand Seven Hundred and Thirteen in Base 21 Unovigesimal

Prime Factorization

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

7211 · 1c7d211 = b2b721

Base Conversions

The number one hundred and two thousand nine hundred and ninety-one in 35 different bases