The Number

18420

Eightteen Thousand Four Hundred and Twenty

In Base 5 Quinary Is

10421405

The numbers with a 5 subscript use Base 5 Quinary 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
10421325
Eightteen Thousand Four Hundred and Seventeen in Base 5 Quinary
18418
10421335
Eightteen Thousand Four Hundred and Eightteen in Base 5 Quinary
18419
10421345
Eightteen Thousand Four Hundred and Nineteen in Base 5 Quinary
18421
10421415
Eightteen Thousand Four Hundred and Twenty-One in Base 5 Quinary
18422
10421425
Eightteen Thousand Four Hundred and Twenty-Two in Base 5 Quinary
18423
10421435
Eightteen Thousand Four Hundred and Twenty-Three in Base 5 Quinary

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.

0.000000411004023044413420142045

The reciprocal of 18420 in Base 5 Quinary.

Palindrome?

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

The number 10421405 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 5 Quinary

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
25
Two in Base 5 Quinary
3
35
Three in Base 5 Quinary
5
105
Five in Base 5 Quinary
307
22125
Three Hundred and Seven in Base 5 Quinary

Prime Factorization

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

252 · 351 · 1051 · 221251 = 10421405

Base Conversions

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