The Number

221938

Two Hundred and Twenty-One Thousand Nine Hundred and Thirty-Eight

In Base 18 Octodecimal Is

220hg18

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

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

Nearby Numbers

Positive, nonzero integers within three units

221935
220hd18
Two Hundred and Twenty-One Thousand Nine Hundred and Thirty-Five in Base 18 Octodecimal
221936
220he18
Two Hundred and Twenty-One Thousand Nine Hundred and Thirty-Six in Base 18 Octodecimal
221937
220hf18
Two Hundred and Twenty-One Thousand Nine Hundred and Thirty-Seven in Base 18 Octodecimal
221939
220hh18
Two Hundred and Twenty-One Thousand Nine Hundred and Thirty-Nine in Base 18 Octodecimal
221940
2210018
Two Hundred and Twenty-One Thousand Nine Hundred and Forty in Base 18 Octodecimal
221941
2210118
Two Hundred and Twenty-One Thousand Nine Hundred and Forty-One in Base 18 Octodecimal

Scientific Notation

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

2.21938e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000089495gbg1fd418

The reciprocal of 221938 in Base 18 Octodecimal.

Palindrome?

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

The number 220hg18 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 nine hundred and thirty-eight is a composite number with 4 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 nine hundred and thirty-eight 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 two hundred and twenty-one thousand nine hundred and thirty-eight has the following 2 prime factors:

2
218
Two in Base 18 Octodecimal
110969
1108h18
One Hundred and Ten Thousand Nine Hundred and Sixty-Nine 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 · 1108h181 = 220hg18

Base Conversions

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