The Number

428

Four Hundred and Twenty-Eight

In Base 20 Vigesimal Is

11820

The numbers with a 20 subscript use Base 20 Vigesimal notation.

For more familiar numbers: See Four Hundred and Twenty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

425
11520
Four Hundred and Twenty-Five in Base 20 Vigesimal
426
11620
Four Hundred and Twenty-Six in Base 20 Vigesimal
427
11720
Four Hundred and Twenty-Seven in Base 20 Vigesimal
429
11920
Four Hundred and Twenty-Nine in Base 20 Vigesimal
430
11a20
Four Hundred and Thirty in Base 20 Vigesimal
431
11b20
Four Hundred and Thirty-One in Base 20 Vigesimal

Scientific Notation

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

4.28e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00idgce424h3ia20

The reciprocal of 428 in Base 20 Vigesimal.

Palindrome?

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

The number 11820 is not a palindrome.

Not A Prime Number

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

Four hundred and twenty-eight is a composite number with 6 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Four hundred and twenty-eight 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 four hundred and twenty-eight has the following 2 prime factors:

2
220
Two in Base 20 Vigesimal
107
5720
One Hundred and Seven in Base 20 Vigesimal

Prime Factorization

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

2202 · 57201 = 11820

Base Conversions

The number four hundred and twenty-eight in 35 different bases