The Number

128642

One Hundred and Twenty-Eight Thousand Six Hundred and Forty-Two

In Base 20 Vigesimal Is

g1c220

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

For more familiar numbers: See One Hundred and Twenty-Eight Thousand Six Hundred and Forty-Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

128639
g1bj20
One Hundred and Twenty-Eight Thousand Six Hundred and Thirty-Nine in Base 20 Vigesimal
128640
g1c020
One Hundred and Twenty-Eight Thousand Six Hundred and Forty in Base 20 Vigesimal
128641
g1c120
One Hundred and Twenty-Eight Thousand Six Hundred and Forty-One in Base 20 Vigesimal
128643
g1c320
One Hundred and Twenty-Eight Thousand Six Hundred and Forty-Three in Base 20 Vigesimal
128644
g1c420
One Hundred and Twenty-Eight Thousand Six Hundred and Forty-Four in Base 20 Vigesimal
128645
g1c520
One Hundred and Twenty-Eight Thousand Six Hundred and Forty-Five in Base 20 Vigesimal

Scientific Notation

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

1.28642e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00014ha1hc9a6i2820

The reciprocal of 128642 in Base 20 Vigesimal.

Palindrome?

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

The number g1c220 is not a palindrome.

Not A Prime Number

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

One hundred and twenty-eight thousand six hundred and forty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-eight thousand six hundred and forty-two is a composite number with 8 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 one hundred and twenty-eight thousand six hundred and forty-two has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
131
6b20
One Hundred and Thirty-One in Base 20 Vigesimal
491
14b20
Four Hundred and Ninety-One in Base 20 Vigesimal

Prime Factorization

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

2201 · 6b201 · 14b201 = g1c220

Base Conversions

The number one hundred and twenty-eight thousand six hundred and forty-two in 35 different bases