The Number

421808

Four Hundred and Twenty-One Thousand Eight Hundred and Eight

In Base 12 Duodecimal Is

18412812

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 Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

421805
18412512
Four Hundred and Twenty-One Thousand Eight Hundred and Five in Base 12 Duodecimal
421806
18412612
Four Hundred and Twenty-One Thousand Eight Hundred and Six in Base 12 Duodecimal
421807
18412712
Four Hundred and Twenty-One Thousand Eight Hundred and Seven in Base 12 Duodecimal
421809
18412912
Four Hundred and Twenty-One Thousand Eight Hundred and Nine in Base 12 Duodecimal
421810
18412a12
Four Hundred and Twenty-One Thousand Eight Hundred and Ten in Base 12 Duodecimal
421811
18412b12
Four Hundred and Twenty-One Thousand Eight Hundred and Eleven in Base 12 Duodecimal

Scientific Notation

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

4.21808e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000070b46493a16581712

The reciprocal of 421808 in Base 12 Duodecimal.

Palindrome?

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

The number 18412812 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 eight 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 eight 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 eight has the following 3 prime factors:

2
212
Two in Base 12 Duodecimal
41
3512
Forty-One in Base 12 Duodecimal
643
45712
Six Hundred and Forty-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 · 35121 · 457121 = 18412812

Base Conversions

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