The Number

421840

Four Hundred and Twenty-One Thousand Eight Hundred and Forty

In Base 12 Duodecimal Is

18415412

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

For more familiar numbers: See Four Hundred and Twenty-One Thousand Eight Hundred and Forty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

421837
18415112
Four Hundred and Twenty-One Thousand Eight Hundred and Thirty-Seven in Base 12 Duodecimal
421838
18415212
Four Hundred and Twenty-One Thousand Eight Hundred and Thirty-Eight in Base 12 Duodecimal
421839
18415312
Four Hundred and Twenty-One Thousand Eight Hundred and Thirty-Nine in Base 12 Duodecimal
421841
18415512
Four Hundred and Twenty-One Thousand Eight Hundred and Forty-One in Base 12 Duodecimal
421842
18415612
Four Hundred and Twenty-One Thousand Eight Hundred and Forty-Two in Base 12 Duodecimal
421843
18415712
Four Hundred and Twenty-One Thousand 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.

4.21840e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000070b3731a1780b6912

The reciprocal of 421840 in Base 12 Duodecimal.

Palindrome?

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

The number 18415412 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 twenty-one thousand eight hundred and forty is a composite number with 20 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Four hundred and twenty-one thousand eight hundred and forty is a composite number with 20 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 twenty-one thousand eight hundred and forty has the following 3 prime factors:

2
212
Two in Base 12 Duodecimal
5
512
Five in Base 12 Duodecimal
5273
307512
Five Thousand Two Hundred and Seventy-Three in Base 12 Duodecimal

Prime Factorization

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

2124 · 5121 · 3075121 = 18415412

Base Conversions

The number four hundred and twenty-one thousand eight hundred and forty in 35 different bases