The Number

221445

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

In Base 18 Octodecimal Is

21h8918

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

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

Nearby Numbers

Positive, nonzero integers within three units

221442
21h8618
Two Hundred and Twenty-One Thousand Four Hundred and Forty-Two in Base 18 Octodecimal
221443
21h8718
Two Hundred and Twenty-One Thousand Four Hundred and Forty-Three in Base 18 Octodecimal
221444
21h8818
Two Hundred and Twenty-One Thousand Four Hundred and Forty-Four in Base 18 Octodecimal
221446
21h8a18
Two Hundred and Twenty-One Thousand Four Hundred and Forty-Six in Base 18 Octodecimal
221447
21h8b18
Two Hundred and Twenty-One Thousand Four Hundred and Forty-Seven in Base 18 Octodecimal
221448
21h8c18
Two Hundred and Twenty-One Thousand Four Hundred and Forty-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.

2.21445e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000089abfc7h1947618

The reciprocal of 221445 in Base 18 Octodecimal.

Palindrome?

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

The number 21h8918 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 four hundred and forty-five is a composite number with 48 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 four hundred and forty-five is a composite number with 48 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 four hundred and forty-five has the following 5 prime factors:

3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
19
1118
Nineteen in Base 18 Octodecimal
37
2118
Thirty-Seven 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 · 5181 · 7181 · 11181 · 21181 = 21h8918

Base Conversions

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