The Number

126891

One Hundred and Twenty-Six Thousand Eight Hundred and Ninety-One

In Base 21 Unovigesimal Is

def921

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

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

Nearby Numbers

Positive, nonzero integers within three units

126888
def621
One Hundred and Twenty-Six Thousand Eight Hundred and Eighty-Eight in Base 21 Unovigesimal
126889
def721
One Hundred and Twenty-Six Thousand Eight Hundred and Eighty-Nine in Base 21 Unovigesimal
126890
def821
One Hundred and Twenty-Six Thousand Eight Hundred and Ninety in Base 21 Unovigesimal
126892
defa21
One Hundred and Twenty-Six Thousand Eight Hundred and Ninety-Two in Base 21 Unovigesimal
126893
defb21
One Hundred and Twenty-Six Thousand Eight Hundred and Ninety-Three in Base 21 Unovigesimal
126894
defc21
One Hundred and Twenty-Six Thousand Eight 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.

1.26891e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001b3ikck3k063721

The reciprocal of 126891 in Base 21 Unovigesimal.

Palindrome?

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

The number def921 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 twenty-six thousand eight hundred and ninety-one is a composite number with 12 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 twenty-six thousand eight hundred and ninety-one is a composite number with 12 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 twenty-six thousand eight hundred and ninety-one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
23
1221
Twenty-Three in Base 21 Unovigesimal
613
18421
Six 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

3212 · 12211 · 184211 = def921

Base Conversions

The number one hundred and twenty-six thousand eight hundred and ninety-one in 35 different bases