The Number

157221

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

In Base 18 Octodecimal Is

18h4918

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

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

Nearby Numbers

Positive, nonzero integers within three units

157218
18h4618
One Hundred and Fifty-Seven Thousand Two Hundred and Eightteen in Base 18 Octodecimal
157219
18h4718
One Hundred and Fifty-Seven Thousand Two Hundred and Nineteen in Base 18 Octodecimal
157220
18h4818
One Hundred and Fifty-Seven Thousand Two Hundred and Twenty in Base 18 Octodecimal
157222
18h4a18
One Hundred and Fifty-Seven Thousand Two Hundred and Twenty-Two in Base 18 Octodecimal
157223
18h4b18
One Hundred and Fifty-Seven Thousand Two Hundred and Twenty-Three in Base 18 Octodecimal
157224
18h4c18
One Hundred and Fifty-Seven Thousand Two Hundred and Twenty-Four in Base 18 Octodecimal

Scientific Notation

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

1.57221e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000c06030190d96f18

The reciprocal of 157221 in Base 18 Octodecimal.

Palindrome?

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

The number 18h4918 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One hundred and fifty-seven thousand two hundred and twenty-one is a composite number with 12 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One hundred and fifty-seven thousand two hundred and twenty-one is a composite number with 12 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 one hundred and fifty-seven thousand two hundred and twenty-one has the following 2 prime factors:

3
318
Three in Base 18 Octodecimal
647
1hh18
Six Hundred and Forty-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

3185 · 1hh181 = 18h4918

Base Conversions

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