The Number

101981

One Hundred and One Thousand Nine Hundred and Eighty-One

In Base 21 Unovigesimal Is

b05521

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-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

101978
b05221
One Hundred and One Thousand Nine Hundred and Seventy-Eight in Base 21 Unovigesimal
101979
b05321
One Hundred and One Thousand Nine Hundred and Seventy-Nine in Base 21 Unovigesimal
101980
b05421
One Hundred and One Thousand Nine Hundred and Eighty in Base 21 Unovigesimal
101982
b05621
One Hundred and One Thousand Nine Hundred and Eighty-Two in Base 21 Unovigesimal
101983
b05721
One Hundred and One Thousand Nine Hundred and Eighty-Three in Base 21 Unovigesimal
101984
b05821
One Hundred and One Thousand Nine Hundred and Eighty-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.

1.01981e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j10091eg215521

The reciprocal of 101981 in Base 21 Unovigesimal.

Palindrome?

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

The number b05521 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 one thousand nine hundred and eighty-one 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.

One hundred and one thousand nine hundred and eighty-one 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 one hundred and one thousand nine hundred and eighty-one has the following 3 prime factors:

11
b21
Eleven in Base 21 Unovigesimal
73
3a21
Seventy-Three in Base 21 Unovigesimal
127
6121
One Hundred and Twenty-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

b211 · 3a211 · 61211 = b05521

Base Conversions

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