The Number

221493

Two Hundred and Twenty-One Thousand Four Hundred and Ninety-Three

In Base 18 Octodecimal Is

21hb318

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

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

Nearby Numbers

Positive, nonzero integers within three units

221490
21hb018
Two Hundred and Twenty-One Thousand Four Hundred and Ninety in Base 18 Octodecimal
221491
21hb118
Two Hundred and Twenty-One Thousand Four Hundred and Ninety-One in Base 18 Octodecimal
221492
21hb218
Two Hundred and Twenty-One Thousand Four Hundred and Ninety-Two in Base 18 Octodecimal
221494
21hb418
Two Hundred and Twenty-One Thousand Four Hundred and Ninety-Four in Base 18 Octodecimal
221495
21hb518
Two Hundred and Twenty-One Thousand Four Hundred and Ninety-Five in Base 18 Octodecimal
221496
21hb618
Two Hundred and Twenty-One Thousand Four Hundred and Ninety-Six in Base 18 Octodecimal

Scientific Notation

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

2.21493e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000089a11a57844cg18

The reciprocal of 221493 in Base 18 Octodecimal.

Palindrome?

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

The number 21hb318 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 four hundred and ninety-three 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 four hundred and ninety-three 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 four hundred and ninety-three has the following 4 prime factors:

3
318
Three in Base 18 Octodecimal
17
h18
Seventeen in Base 18 Octodecimal
43
2718
Forty-Three in Base 18 Octodecimal
101
5b18
One Hundred and One 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 · h181 · 27181 · 5b181 = 21hb318

Base Conversions

The number two hundred and twenty-one thousand four hundred and ninety-three in 35 different bases