The Number

640128

Six Hundred and Forty Thousand One Hundred and Twenty-Eight

In Base 7 Septenary Is

53041567

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

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

Nearby Numbers

Positive, nonzero integers within three units

640125
53041537
Six Hundred and Forty Thousand One Hundred and Twenty-Five in Base 7 Septenary
640126
53041547
Six Hundred and Forty Thousand One Hundred and Twenty-Six in Base 7 Septenary
640127
53041557
Six Hundred and Forty Thousand One Hundred and Twenty-Seven in Base 7 Septenary
640129
53041607
Six Hundred and Forty Thousand One Hundred and Twenty-Nine in Base 7 Septenary
640130
53041617
Six Hundred and Forty Thousand One Hundred and Thirty in Base 7 Septenary
640131
53041627
Six Hundred and Forty Thousand One Hundred and Thirty-One in Base 7 Septenary

Scientific Notation

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

6.40128e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000012001645435414551227

The reciprocal of 640128 in Base 7 Septenary.

Palindrome?

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

The number 53041567 is not a palindrome.

Not A Prime Number

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

Six hundred and forty thousand one hundred and twenty-eight is a composite number with 32 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Six hundred and forty thousand one hundred and twenty-eight is a composite number with 32 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 six hundred and forty thousand one hundred and twenty-eight has the following 3 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
1667
46017
One Thousand Six Hundred and Sixty-Seven in Base 7 Septenary

Prime Factorization

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

277 · 371 · 460171 = 53041567

Base Conversions

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