The Number

121891

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

In Base 31 Untrigesimal Is

42pu31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

121888
42pr31
One Hundred and Twenty-One Thousand Eight Hundred and Eighty-Eight in Base 31 Untrigesimal
121889
42ps31
One Hundred and Twenty-One Thousand Eight Hundred and Eighty-Nine in Base 31 Untrigesimal
121890
42pt31
One Hundred and Twenty-One Thousand Eight Hundred and Ninety in Base 31 Untrigesimal
121892
42q031
One Hundred and Twenty-One Thousand Eight Hundred and Ninety-Two in Base 31 Untrigesimal
121893
42q131
One Hundred and Twenty-One Thousand Eight Hundred and Ninety-Three in Base 31 Untrigesimal
121894
42q231
One Hundred and Twenty-One Thousand Eight Hundred and Ninety-Four in Base 31 Untrigesimal

Scientific Notation

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

1.21891e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0007hr3rlqtgut31

The reciprocal of 121891 in Base 31 Untrigesimal.

Palindrome?

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

The number 42pu31 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-one thousand eight hundred and ninety-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-one thousand eight hundred and ninety-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 twenty-one thousand eight hundred and ninety-one has the following 3 prime factors:

7
731
Seven in Base 31 Untrigesimal
11
b31
Eleven in Base 31 Untrigesimal
1583
1k231
One Thousand Five Hundred and Eighty-Three in Base 31 Untrigesimal

Prime Factorization

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

7311 · b311 · 1k2311 = 42pu31

Base Conversions

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