The Number

128642

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

In Base 5 Quinary Is

131040325

The numbers with a 5 subscript use Base 5 Quinary 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
131040245
One Hundred and Twenty-Eight Thousand Six Hundred and Thirty-Nine in Base 5 Quinary
128640
131040305
One Hundred and Twenty-Eight Thousand Six Hundred and Forty in Base 5 Quinary
128641
131040315
One Hundred and Twenty-Eight Thousand Six Hundred and Forty-One in Base 5 Quinary
128643
131040335
One Hundred and Twenty-Eight Thousand Six Hundred and Forty-Three in Base 5 Quinary
128644
131040345
One Hundred and Twenty-Eight Thousand Six Hundred and Forty-Four in Base 5 Quinary
128645
131040405
One Hundred and Twenty-Eight Thousand Six Hundred and Forty-Five in Base 5 Quinary

Scientific Notation

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

1.28642e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000300424033310214120433335

The reciprocal of 128642 in Base 5 Quinary.

Palindrome?

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

The number 131040325 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 5 Quinary

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
25
Two in Base 5 Quinary
131
10115
One Hundred and Thirty-One in Base 5 Quinary
491
34315
Four Hundred and Ninety-One in Base 5 Quinary

Prime Factorization

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

251 · 101151 · 343151 = 131040325

Base Conversions

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