The Number

401991

Four Hundred and One Thousand Nine Hundred and Ninety-One

In Base 31 Untrigesimal Is

df9e31

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

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

Nearby Numbers

Positive, nonzero integers within three units

401988
df9b31
Four Hundred and One Thousand Nine Hundred and Eighty-Eight in Base 31 Untrigesimal
401989
df9c31
Four Hundred and One Thousand Nine Hundred and Eighty-Nine in Base 31 Untrigesimal
401990
df9d31
Four Hundred and One Thousand Nine Hundred and Ninety in Base 31 Untrigesimal
401992
df9f31
Four Hundred and One Thousand Nine Hundred and Ninety-Two in Base 31 Untrigesimal
401993
df9g31
Four Hundred and One Thousand Nine Hundred and Ninety-Three in Base 31 Untrigesimal
401994
df9h31
Four Hundred and One Thousand Nine 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.

4.01991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000296nqur8l96831

The reciprocal of 401991 in Base 31 Untrigesimal.

Palindrome?

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

The number df9e31 is not a palindrome.

Not A Prime Number

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

Four hundred and one thousand nine 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.

Four hundred and one thousand nine 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 four hundred and one thousand nine hundred and ninety-one has the following 3 prime factors:

3
331
Three in Base 31 Untrigesimal
47
1g31
Forty-Seven in Base 31 Untrigesimal
2851
2tu31
Two Thousand Eight Hundred and Fifty-One in Base 31 Untrigesimal

Prime Factorization

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

3311 · 1g311 · 2tu311 = df9e31

Base Conversions

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