The Number

18421

Eightteen Thousand Four Hundred and Twenty-One

In Base 15 Quindecimal Is

56d115

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

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

Nearby Numbers

Positive, nonzero integers within three units

18418
56cd15
Eightteen Thousand Four Hundred and Eightteen in Base 15 Quindecimal
18419
56ce15
Eightteen Thousand Four Hundred and Nineteen in Base 15 Quindecimal
18420
56d015
Eightteen Thousand Four Hundred and Twenty in Base 15 Quindecimal
18422
56d215
Eightteen Thousand Four Hundred and Twenty-Two in Base 15 Quindecimal
18423
56d315
Eightteen Thousand Four Hundred and Twenty-Three in Base 15 Quindecimal
18424
56d415
Eightteen Thousand Four Hundred and Twenty-Four in Base 15 Quindecimal

Scientific Notation

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

1.8421e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002b353b2bc4da50915

The reciprocal of 18421 in Base 15 Quindecimal.

Palindrome?

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

The number 56d115 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 four hundred and twenty-one is a composite number with 6 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Eightteen thousand four hundred and twenty-one is a composite number with 6 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 four hundred and twenty-one has the following 2 prime factors:

13
d15
Thirteen in Base 15 Quindecimal
109
7415
One Hundred and Nine in Base 15 Quindecimal

Prime Factorization

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

d152 · 74151 = 56d115

Base Conversions

The number eightteen thousand four hundred and twenty-one in 35 different bases