The Number

221742

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

In Base 18 Octodecimal Is

2207018

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

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

Nearby Numbers

Positive, nonzero integers within three units

221739
2206f18
Two Hundred and Twenty-One Thousand Seven Hundred and Thirty-Nine in Base 18 Octodecimal
221740
2206g18
Two Hundred and Twenty-One Thousand Seven Hundred and Forty in Base 18 Octodecimal
221741
2206h18
Two Hundred and Twenty-One Thousand Seven Hundred and Forty-One in Base 18 Octodecimal
221743
2207118
Two Hundred and Twenty-One Thousand Seven Hundred and Forty-Three in Base 18 Octodecimal
221744
2207218
Two Hundred and Twenty-One Thousand Seven Hundred and Forty-Four in Base 18 Octodecimal
221745
2207318
Two Hundred and Twenty-One Thousand Seven 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.

2.21742e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000896h3gd0443h418

The reciprocal of 221742 in Base 18 Octodecimal.

Palindrome?

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

The number 2207018 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 seven hundred and forty-two is a composite number with 24 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 seven hundred and forty-two is a composite number with 24 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 seven hundred and forty-two has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
97
5718
Ninety-Seven in Base 18 Octodecimal
127
7118
One Hundred and Twenty-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

2181 · 3182 · 57181 · 71181 = 2207018

Base Conversions

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