The Number

401991

Four Hundred and One Thousand Nine Hundred and Ninety-One

In Base 11 Undecimal Is

25502711

The numbers with a 11 subscript use Base 11 Undecimal 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
25502411
Four Hundred and One Thousand Nine Hundred and Eighty-Eight in Base 11 Undecimal
401989
25502511
Four Hundred and One Thousand Nine Hundred and Eighty-Nine in Base 11 Undecimal
401990
25502611
Four Hundred and One Thousand Nine Hundred and Ninety in Base 11 Undecimal
401992
25502811
Four Hundred and One Thousand Nine Hundred and Ninety-Two in Base 11 Undecimal
401993
25502911
Four Hundred and One Thousand Nine Hundred and Ninety-Three in Base 11 Undecimal
401994
25502a11
Four Hundred and One Thousand Nine Hundred and Ninety-Four in Base 11 Undecimal

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.

0.00000445274460783836211

The reciprocal of 401991 in Base 11 Undecimal.

Palindrome?

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

The number 25502711 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 11 Undecimal

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
311
Three in Base 11 Undecimal
47
4311
Forty-Seven in Base 11 Undecimal
2851
216211
Two Thousand Eight Hundred and Fifty-One in Base 11 Undecimal

Prime Factorization

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

3111 · 43111 · 2162111 = 25502711

Base Conversions

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