The Number

18420

Eightteen Thousand Four Hundred and Twenty

In Base 15 Quindecimal Is

56d015

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

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

Nearby Numbers

Positive, nonzero integers within three units

18417
56cc15
Eightteen Thousand Four Hundred and Seventeen in Base 15 Quindecimal
18418
56cd15
Eightteen Thousand Four Hundred and Eightteen in Base 15 Quindecimal
18419
56ce15
Eightteen Thousand Four Hundred and Nineteen in Base 15 Quindecimal
18421
56d115
Eightteen Thousand Four Hundred and Twenty-One 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

Scientific Notation

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

1.8420e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002b35b4739bb6a315

The reciprocal of 18420 in Base 15 Quindecimal.

Palindrome?

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

The number 56d015 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 is a composite number with 24 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 is a composite number with 24 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 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
307
15715
Three Hundred and Seven 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 · 3151 · 5151 · 157151 = 56d015

Base Conversions

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