The Number

421985

Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Five

In Base 18 Octodecimal Is

4067b18

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

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

Nearby Numbers

Positive, nonzero integers within three units

421982
4067818
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Two in Base 18 Octodecimal
421983
4067918
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Three in Base 18 Octodecimal
421984
4067a18
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Four in Base 18 Octodecimal
421986
4067c18
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Six in Base 18 Octodecimal
421987
4067d18
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Seven in Base 18 Octodecimal
421988
4067e18
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Eight in Base 18 Octodecimal

Scientific Notation

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

4.21985e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000048aea7a25g8c918

The reciprocal of 421985 in Base 18 Octodecimal.

Palindrome?

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

The number 4067b18 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 nine hundred and eighty-five is a composite number with 8 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 nine hundred and eighty-five is a composite number with 8 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 nine hundred and eighty-five has the following 3 prime factors:

5
518
Five in Base 18 Octodecimal
37
2118
Thirty-Seven in Base 18 Octodecimal
2281
70d18
Two Thousand Two Hundred and Eighty-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

5181 · 21181 · 70d181 = 4067b18

Base Conversions

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