The Number

221242

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

In Base 18 Octodecimal Is

21gf418

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 Forty-Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

221239
21gf118
Two Hundred and Twenty-One Thousand Two Hundred and Thirty-Nine in Base 18 Octodecimal
221240
21gf218
Two Hundred and Twenty-One Thousand Two Hundred and Forty in Base 18 Octodecimal
221241
21gf318
Two Hundred and Twenty-One Thousand Two Hundred and Forty-One in Base 18 Octodecimal
221243
21gf518
Two Hundred and Twenty-One Thousand Two Hundred and Forty-Three in Base 18 Octodecimal
221244
21gf618
Two Hundred and Twenty-One Thousand Two Hundred and Forty-Four in Base 18 Octodecimal
221245
21gf718
Two Hundred and Twenty-One Thousand Two Hundred and Forty-Five in Base 18 Octodecimal

Scientific Notation

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

2.21242e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000089d39a936eb8518

The reciprocal of 221242 in Base 18 Octodecimal.

Palindrome?

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

The number 21gf418 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 forty-two 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 two hundred and forty-two 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 two hundred and forty-two has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
15803
2cdh18
Fifteen Thousand Eight Hundred and Three 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 · 7181 · 2cdh181 = 21gf418

Base Conversions

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