The Number

840

Eight Hundred and Forty

In Base 20 Vigesimal Is

22020

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

837
21h20
Eight Hundred and Thirty-Seven in Base 20 Vigesimal
838
21i20
Eight Hundred and Thirty-Eight in Base 20 Vigesimal
839
21j20
Eight Hundred and Thirty-Nine in Base 20 Vigesimal
841
22120
Eight Hundred and Forty-One in Base 20 Vigesimal
842
22220
Eight Hundred and Forty-Two in Base 20 Vigesimal
843
22320
Eight Hundred and Forty-Three in Base 20 Vigesimal

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.

0.009a9a9a9a9a9a920

The reciprocal of 840 in Base 20 Vigesimal.

Palindrome?

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

The number 22020 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 20 Vigesimal

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
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
7
720
Seven in Base 20 Vigesimal

Prime Factorization

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

2203 · 3201 · 5201 · 7201 = 22020

Base Conversions

The number eight hundred and forty in 35 different bases