The Number

100991

One Hundred Thousand Nine Hundred and Ninety-One

In Base 21 Unovigesimal Is

aj0221

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

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

Nearby Numbers

Positive, nonzero integers within three units

100988
aikk21
One Hundred Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
100989
aj0021
One Hundred Thousand Nine Hundred and Eighty-Nine in Base 21 Unovigesimal
100990
aj0121
One Hundred Thousand Nine Hundred and Ninety in Base 21 Unovigesimal
100992
aj0321
One Hundred Thousand Nine Hundred and Ninety-Two in Base 21 Unovigesimal
100993
aj0421
One Hundred Thousand Nine Hundred and Ninety-Three in Base 21 Unovigesimal
100994
aj0521
One Hundred 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.

1.00991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j9532eh887j21

The reciprocal of 100991 in Base 21 Unovigesimal.

Palindrome?

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

The number aj0221 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 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 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 thousand nine hundred and ninety-one has the following 2 prime factors:

11
b21
Eleven in Base 21 Unovigesimal
9181
kh421
Nine Thousand One Hundred and Eighty-One 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 · kh4211 = aj0221

Base Conversions

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