The Number

221255

Two Hundred and Twenty-One Thousand Two Hundred and Fifty-Five

In Base 18 Octodecimal Is

21gfh18

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

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

Nearby Numbers

Positive, nonzero integers within three units

221252
21gfe18
Two Hundred and Twenty-One Thousand Two Hundred and Fifty-Two in Base 18 Octodecimal
221253
21gff18
Two Hundred and Twenty-One Thousand Two Hundred and Fifty-Three in Base 18 Octodecimal
221254
21gfg18
Two Hundred and Twenty-One Thousand Two Hundred and Fifty-Four in Base 18 Octodecimal
221256
21gg018
Two Hundred and Twenty-One Thousand Two Hundred and Fifty-Six in Base 18 Octodecimal
221257
21gg118
Two Hundred and Twenty-One Thousand Two Hundred and Fifty-Seven in Base 18 Octodecimal
221258
21gg218
Two Hundred and Twenty-One Thousand Two Hundred and Fifty-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.

2.21255e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000089d0ag5515bd18

The reciprocal of 221255 in Base 18 Octodecimal.

Palindrome?

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

The number 21gfh18 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 two hundred and fifty-five is a composite number with 16 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 two hundred and fifty-five is a composite number with 16 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 two hundred and fifty-five has the following 4 prime factors:

5
518
Five in Base 18 Octodecimal
17
h18
Seventeen in Base 18 Octodecimal
19
1118
Nineteen in Base 18 Octodecimal
137
7b18
One Hundred and 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

5181 · h181 · 11181 · 7b181 = 21gfh18

Base Conversions

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