The Number

421842

Four Hundred and Twenty-One Thousand Eight Hundred and Forty-Two

In Base 18 Octodecimal Is

405hc18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

421839
405h918
Four Hundred and Twenty-One Thousand Eight Hundred and Thirty-Nine in Base 18 Octodecimal
421840
405ha18
Four Hundred and Twenty-One Thousand Eight Hundred and Forty in Base 18 Octodecimal
421841
405hb18
Four Hundred and Twenty-One Thousand Eight Hundred and Forty-One in Base 18 Octodecimal
421843
405hd18
Four Hundred and Twenty-One Thousand Eight Hundred and Forty-Three in Base 18 Octodecimal
421844
405he18
Four Hundred and Twenty-One Thousand Eight Hundred and Forty-Four in Base 18 Octodecimal
421845
405hf18
Four Hundred and Twenty-One Thousand Eight Hundred and Forty-Five in Base 18 Octodecimal

Scientific Notation

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

4.21842e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000048b57de58392g18

The reciprocal of 421842 in Base 18 Octodecimal.

Palindrome?

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

The number 405hc18 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-two is a composite number with 16 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Four hundred and twenty-one thousand eight hundred and forty-two is a composite number with 16 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-two has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
167
9518
One Hundred and Sixty-Seven in Base 18 Octodecimal
421
15718
Four Hundred and Twenty-One in Base 18 Octodecimal

Prime Factorization

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

2181 · 3181 · 95181 · 157181 = 405hc18

Base Conversions

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