The Number

220021

Two Hundred and Twenty Thousand and Twenty-One

In Base 18 Octodecimal Is

21d1718

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

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

Nearby Numbers

Positive, nonzero integers within three units

220018
21d1418
Two Hundred and Twenty Thousand and Eightteen in Base 18 Octodecimal
220019
21d1518
Two Hundred and Twenty Thousand and Nineteen in Base 18 Octodecimal
220020
21d1618
Two Hundred and Twenty Thousand and Twenty in Base 18 Octodecimal
220022
21d1818
Two Hundred and Twenty Thousand and Twenty-Two in Base 18 Octodecimal
220023
21d1918
Two Hundred and Twenty Thousand and Twenty-Three in Base 18 Octodecimal
220024
21d1a18
Two Hundred and Twenty Thousand and Twenty-Four in Base 18 Octodecimal

Scientific Notation

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

2.20021e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00008aa9h185h64h518

The reciprocal of 220021 in Base 18 Octodecimal.

Palindrome?

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

The number 21d1718 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Two hundred and twenty thousand and twenty-one is a composite number with 2 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Two hundred and twenty thousand and twenty-one is a composite number with 2 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 two hundred and twenty thousand and twenty-one has the following 1 prime factor:

220021
21d1718
Two Hundred and Twenty Thousand 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

21d17181 = 21d1718

Base Conversions

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