The Number

18180

Eightteen Thousand One Hundred and Eighty

In Base 15 Quindecimal Is

55c015

The numbers with a 15 subscript use Base 15 Quindecimal notation.

For more familiar numbers: See Eightteen Thousand One Hundred and Eighty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

18177
55bc15
Eightteen Thousand One Hundred and Seventy-Seven in Base 15 Quindecimal
18178
55bd15
Eightteen Thousand One Hundred and Seventy-Eight in Base 15 Quindecimal
18179
55be15
Eightteen Thousand One Hundred and Seventy-Nine in Base 15 Quindecimal
18181
55c115
Eightteen Thousand One Hundred and Eighty-One in Base 15 Quindecimal
18182
55c215
Eightteen Thousand One Hundred and Eighty-Two in Base 15 Quindecimal
18183
55c315
Eightteen Thousand One Hundred and Eighty-Three in Base 15 Quindecimal

Scientific Notation

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

1.8180e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002bb83135a32514715

The reciprocal of 18180 in Base 15 Quindecimal.

Palindrome?

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

The number 55c015 is not a palindrome.

Not A Prime Number

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

Eightteen thousand one hundred and eighty is a composite number with 36 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Eightteen thousand one hundred and eighty is a composite number with 36 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 eightteen thousand one hundred and eighty has the following 4 prime factors:

2
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
101
6b15
One Hundred and One in Base 15 Quindecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2152 · 3152 · 5151 · 6b151 = 55c015

Base Conversions

The number eightteen thousand one hundred and eighty in 35 different bases