The Number

421809

Four Hundred and Twenty-One Thousand Eight Hundred and Nine

In Base 11 Undecimal Is

268a0311

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

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

Nearby Numbers

Positive, nonzero integers within three units

421806
268a0011
Four Hundred and Twenty-One Thousand Eight Hundred and Six in Base 11 Undecimal
421807
268a0111
Four Hundred and Twenty-One Thousand Eight Hundred and Seven in Base 11 Undecimal
421808
268a0211
Four Hundred and Twenty-One Thousand Eight Hundred and Eight in Base 11 Undecimal
421810
268a0411
Four Hundred and Twenty-One Thousand Eight Hundred and Ten in Base 11 Undecimal
421811
268a0511
Four Hundred and Twenty-One Thousand Eight Hundred and Eleven in Base 11 Undecimal
421812
268a0611
Four Hundred and Twenty-One Thousand Eight Hundred and Twelve in Base 11 Undecimal

Scientific Notation

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

4.21809e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000042220a170912780211

The reciprocal of 421809 in Base 11 Undecimal.

Palindrome?

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

The number 268a0311 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 nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Four hundred and twenty-one thousand eight hundred and nine is a composite number with 4 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 nine has the following 2 prime factors:

3
311
Three in Base 11 Undecimal
140603
9670111
One Hundred and Forty Thousand Six Hundred and Three in Base 11 Undecimal

Prime Factorization

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

3111 · 96701111 = 268a0311

Base Conversions

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