The Number

128020

One Hundred and Twenty-Eight Thousand and Twenty

In Base 7 Septenary Is

10421447

The numbers with a 7 subscript use Base 7 Septenary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

128017
10421417
One Hundred and Twenty-Eight Thousand and Seventeen in Base 7 Septenary
128018
10421427
One Hundred and Twenty-Eight Thousand and Eightteen in Base 7 Septenary
128019
10421437
One Hundred and Twenty-Eight Thousand and Nineteen in Base 7 Septenary
128021
10421457
One Hundred and Twenty-Eight Thousand and Twenty-One in Base 7 Septenary
128022
10421467
One Hundred and Twenty-Eight Thousand and Twenty-Two in Base 7 Septenary
128023
10421507
One Hundred and Twenty-Eight Thousand and Twenty-Three in Base 7 Septenary

Scientific Notation

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

1.28020e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000006301331065604403047

The reciprocal of 128020 in Base 7 Septenary.

Palindrome?

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

The number 10421447 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 and twenty is a composite number with 24 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

One hundred and twenty-eight thousand 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 one hundred and twenty-eight thousand and twenty has the following 4 prime factors:

2
27
Two in Base 7 Septenary
5
57
Five in Base 7 Septenary
37
527
Thirty-Seven in Base 7 Septenary
173
3357
One Hundred and Seventy-Three in Base 7 Septenary

Prime Factorization

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

272 · 571 · 5271 · 33571 = 10421447

Base Conversions

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