The Number

221288

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

In Base 18 Octodecimal Is

21ghe18

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 Eighty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

221285
21ghb18
Two Hundred and Twenty-One Thousand Two Hundred and Eighty-Five in Base 18 Octodecimal
221286
21ghc18
Two Hundred and Twenty-One Thousand Two Hundred and Eighty-Six in Base 18 Octodecimal
221287
21ghd18
Two Hundred and Twenty-One Thousand Two Hundred and Eighty-Seven in Base 18 Octodecimal
221289
21ghf18
Two Hundred and Twenty-One Thousand Two Hundred and Eighty-Nine in Base 18 Octodecimal
221290
21ghg18
Two Hundred and Twenty-One Thousand Two Hundred and Ninety in Base 18 Octodecimal
221291
21ghh18
Two Hundred and Twenty-One Thousand Two Hundred and Ninety-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.

2.21288e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000089cb33e134ffg18

The reciprocal of 221288 in Base 18 Octodecimal.

Palindrome?

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

The number 21ghe18 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 eighty-eight 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 eighty-eight 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 eighty-eight has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
139
7d18
One Hundred and Thirty-Nine in Base 18 Octodecimal
199
b118
One Hundred and Ninety-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

2183 · 7d181 · b1181 = 21ghe18

Base Conversions

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