The Number

840

Eight Hundred and Forty

In Base 12 Duodecimal Is

5a012

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

837
59912
Eight Hundred and Thirty-Seven in Base 12 Duodecimal
838
59a12
Eight Hundred and Thirty-Eight in Base 12 Duodecimal
839
59b12
Eight Hundred and Thirty-Nine in Base 12 Duodecimal
841
5a112
Eight Hundred and Forty-One in Base 12 Duodecimal
842
5a212
Eight Hundred and Forty-Two in Base 12 Duodecimal
843
5a312
Eight Hundred and Forty-Three in Base 12 Duodecimal

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.

0.0020828ab7a76620812

The reciprocal of 840 in Base 12 Duodecimal.

Palindrome?

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

The number 5a012 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 12 Duodecimal

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
212
Two in Base 12 Duodecimal
3
312
Three in Base 12 Duodecimal
5
512
Five in Base 12 Duodecimal
7
712
Seven in Base 12 Duodecimal

Prime Factorization

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

2123 · 3121 · 5121 · 7121 = 5a012

Base Conversions

The number eight hundred and forty in 35 different bases