The Number

728640

Seven Hundred and Twenty-Eight Thousand Six Hundred and Forty

In Base 7 Septenary Is

61232137

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

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

Nearby Numbers

Positive, nonzero integers within three units

728637
61232107
Seven Hundred and Twenty-Eight Thousand Six Hundred and Thirty-Seven in Base 7 Septenary
728638
61232117
Seven Hundred and Twenty-Eight Thousand Six Hundred and Thirty-Eight in Base 7 Septenary
728639
61232127
Seven Hundred and Twenty-Eight Thousand Six Hundred and Thirty-Nine in Base 7 Septenary
728641
61232147
Seven Hundred and Twenty-Eight Thousand Six Hundred and Forty-One in Base 7 Septenary
728642
61232157
Seven Hundred and Twenty-Eight Thousand Six Hundred and Forty-Two in Base 7 Septenary
728643
61232167
Seven Hundred and Twenty-Eight Thousand Six Hundred and Forty-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.

7.28640e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000000106245025441614341337

The reciprocal of 728640 in Base 7 Septenary.

Palindrome?

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

The number 61232137 is not a palindrome.

Not A Prime Number

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

Seven hundred and twenty-eight thousand six hundred and forty is a composite number with 168 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Seven hundred and twenty-eight thousand six hundred and forty is a composite number with 168 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 seven hundred and twenty-eight thousand six hundred and forty has the following 5 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
5
57
Five in Base 7 Septenary
11
147
Eleven in Base 7 Septenary
23
327
Twenty-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

276 · 372 · 571 · 1471 · 3271 = 61232137

Base Conversions

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