The Number

128409

One Hundred and Twenty-Eight Thousand Four Hundred and Nine

In Base 7 Septenary Is

10432417

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

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

Nearby Numbers

Positive, nonzero integers within three units

128406
10432357
One Hundred and Twenty-Eight Thousand Four Hundred and Six in Base 7 Septenary
128407
10432367
One Hundred and Twenty-Eight Thousand Four Hundred and Seven in Base 7 Septenary
128408
10432407
One Hundred and Twenty-Eight Thousand Four Hundred and Eight in Base 7 Septenary
128410
10432427
One Hundred and Twenty-Eight Thousand Four Hundred and Ten in Base 7 Septenary
128411
10432437
One Hundred and Twenty-Eight Thousand Four Hundred and Eleven in Base 7 Septenary
128412
10432447
One Hundred and Twenty-Eight Thousand Four Hundred and Twelve in Base 7 Septenary

Scientific Notation

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

1.28409e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000062615442641466666247

The reciprocal of 128409 in Base 7 Septenary.

Palindrome?

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

The number 10432417 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 four hundred and nine is a composite number with 8 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 four hundred and nine 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 four hundred and nine has the following 3 prime factors:

3
37
Three in Base 7 Septenary
23
327
Twenty-Three in Base 7 Septenary
1861
52667
One Thousand Eight Hundred and Sixty-One in Base 7 Septenary

Prime Factorization

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

371 · 3271 · 526671 = 10432417

Base Conversions

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