The Number

221357

Two Hundred and Twenty-One Thousand Three Hundred and Fifty-Seven

In Base 18 Octodecimal Is

21h3b18

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

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

Nearby Numbers

Positive, nonzero integers within three units

221354
21h3818
Two Hundred and Twenty-One Thousand Three Hundred and Fifty-Four in Base 18 Octodecimal
221355
21h3918
Two Hundred and Twenty-One Thousand Three Hundred and Fifty-Five in Base 18 Octodecimal
221356
21h3a18
Two Hundred and Twenty-One Thousand Three Hundred and Fifty-Six in Base 18 Octodecimal
221358
21h3c18
Two Hundred and Twenty-One Thousand Three Hundred and Fifty-Eight in Base 18 Octodecimal
221359
21h3d18
Two Hundred and Twenty-One Thousand Three Hundred and Fifty-Nine in Base 18 Octodecimal
221360
21h3e18
Two Hundred and Twenty-One Thousand Three Hundred and Sixty in Base 18 Octodecimal

Scientific Notation

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

2.21357e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000089bdbe57g8be518

The reciprocal of 221357 in Base 18 Octodecimal.

Palindrome?

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

The number 21h3b18 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 three hundred and fifty-seven 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 three hundred and fifty-seven 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 three hundred and fifty-seven has the following 3 prime factors:

17
h18
Seventeen in Base 18 Octodecimal
29
1b18
Twenty-Nine in Base 18 Octodecimal
449
16h18
Four Hundred and Forty-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

h181 · 1b181 · 16h181 = 21h3b18

Base Conversions

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