The Number

400991

Four Hundred Thousand Nine Hundred and Ninety-One

In Base 11 Undecimal Is

2542a811

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

400988
2542a511
Four Hundred Thousand Nine Hundred and Eighty-Eight in Base 11 Undecimal
400989
2542a611
Four Hundred Thousand Nine Hundred and Eighty-Nine in Base 11 Undecimal
400990
2542a711
Four Hundred Thousand Nine Hundred and Ninety in Base 11 Undecimal
400992
2542a911
Four Hundred Thousand Nine Hundred and Ninety-Two in Base 11 Undecimal
400993
2542aa11
Four Hundred Thousand Nine Hundred and Ninety-Three in Base 11 Undecimal
400994
25430011
Four Hundred 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.

4.00991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000044663343832387211

The reciprocal of 400991 in Base 11 Undecimal.

Palindrome?

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

The number 2542a811 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 thousand nine hundred and ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Four 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 four hundred thousand nine hundred and ninety-one has the following 2 prime factors:

131
10a11
One Hundred and Thirty-One in Base 11 Undecimal
3061
233311
Three Thousand and Sixty-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

10a111 · 2333111 = 2542a811

Base Conversions

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