The Number

221379

Two Hundred and Twenty-One Thousand Three Hundred and Seventy-Nine

In Base 18 Octodecimal Is

21h4f18

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

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

Nearby Numbers

Positive, nonzero integers within three units

221376
21h4c18
Two Hundred and Twenty-One Thousand Three Hundred and Seventy-Six in Base 18 Octodecimal
221377
21h4d18
Two Hundred and Twenty-One Thousand Three Hundred and Seventy-Seven in Base 18 Octodecimal
221378
21h4e18
Two Hundred and Twenty-One Thousand Three Hundred and Seventy-Eight in Base 18 Octodecimal
221380
21h4g18
Two Hundred and Twenty-One Thousand Three Hundred and Eighty in Base 18 Octodecimal
221381
21h4h18
Two Hundred and Twenty-One Thousand Three Hundred and Eighty-One in Base 18 Octodecimal
221382
21h5018
Two Hundred and Twenty-One Thousand Three Hundred and Eighty-Two in Base 18 Octodecimal

Scientific Notation

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

2.21379e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000089b8cd68799fd18

The reciprocal of 221379 in Base 18 Octodecimal.

Palindrome?

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

The number 21h4f18 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 three hundred and seventy-nine 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.

Two hundred and twenty-one thousand three hundred and seventy-nine 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 two hundred and twenty-one thousand three hundred and seventy-nine has the following 3 prime factors:

3
318
Three in Base 18 Octodecimal
109
6118
One Hundred and Nine in Base 18 Octodecimal
677
21b18
Six Hundred and Seventy-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

3181 · 61181 · 21b181 = 21h4f18

Base Conversions

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