The Number

840

Eight Hundred and Forty

In Base 11 Undecimal Is

6a411

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

For more familiar numbers: See Eight Hundred and Forty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

837
6a111
Eight Hundred and Thirty-Seven in Base 11 Undecimal
838
6a211
Eight Hundred and Thirty-Eight in Base 11 Undecimal
839
6a311
Eight Hundred and Thirty-Nine in Base 11 Undecimal
841
6a511
Eight Hundred and Forty-One in Base 11 Undecimal
842
6a611
Eight Hundred and Forty-Two in Base 11 Undecimal
843
6a711
Eight Hundred and Forty-Three in Base 11 Undecimal

Scientific Notation

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

8.40e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00164800164800164911

The reciprocal of 840 in Base 11 Undecimal.

Palindrome?

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

The number 6a411 is not a palindrome.

Not A Prime Number

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

Eight hundred and forty is a composite number with 32 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Eight hundred and forty is a composite number with 32 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 eight hundred and forty has the following 4 prime factors:

2
211
Two in Base 11 Undecimal
3
311
Three in Base 11 Undecimal
5
511
Five in Base 11 Undecimal
7
711
Seven in Base 11 Undecimal

Prime Factorization

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

2113 · 3111 · 5111 · 7111 = 6a411

Base Conversions

The number eight hundred and forty in 35 different bases