The Number

221823

Two Hundred and Twenty-One Thousand Eight Hundred and Twenty-Three

In Base 18 Octodecimal Is

220b918

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

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

Nearby Numbers

Positive, nonzero integers within three units

221820
220b618
Two Hundred and Twenty-One Thousand Eight Hundred and Twenty in Base 18 Octodecimal
221821
220b718
Two Hundred and Twenty-One Thousand Eight Hundred and Twenty-One in Base 18 Octodecimal
221822
220b818
Two Hundred and Twenty-One Thousand Eight Hundred and Twenty-Two in Base 18 Octodecimal
221824
220ba18
Two Hundred and Twenty-One Thousand Eight Hundred and Twenty-Four in Base 18 Octodecimal
221825
220bb18
Two Hundred and Twenty-One Thousand Eight Hundred and Twenty-Five in Base 18 Octodecimal
221826
220bc18
Two Hundred and Twenty-One Thousand Eight Hundred and Twenty-Six in Base 18 Octodecimal

Scientific Notation

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

2.21823e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000895h1505eeeca18

The reciprocal of 221823 in Base 18 Octodecimal.

Palindrome?

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

The number 220b918 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-one thousand eight hundred and twenty-three is a composite number with 18 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-one thousand eight hundred and twenty-three is a composite number with 18 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-one thousand eight hundred and twenty-three has the following 3 prime factors:

3
318
Three in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
503
19h18
Five Hundred and Three in Base 18 Octodecimal

Prime Factorization

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

3182 · 7182 · 19h181 = 220b918

Base Conversions

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